21990639000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{39199}}^1$

素因数の和:39251

約数の個数: 256

約数和(自身を含む): 79252992000

約数和(自身を除く): 57262353000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 25, 30, 33, 34, 40, 44, 50, 51, 55, 60, 66, 68, 75, 85, 88, 100, 102, 110, 120, 125, 132, 136, 150, 165, 170, 187, 200, 204, 220, 250, 255, 264, 275, 300, 330, 340, 374, 375, 408, 425, 440, 500, 510, 550, 561, 600, 660, 680, 748, 750, 825, 850, 935, 1000, 1020, 1100, 1122, 1275, 1320, 1375, 1496, 1500, 1650, 1700, 1870, 2040, 2125, 2200, 2244, 2550, 2750, 2805, 3000, 3300, 3400, 3740, 4125, 4250, 4488, 4675, 5100, 5500, 5610, 6375, 6600, 7480, 8250, 8500, 9350, 10200, 11000, 11220, 12750, 14025, 16500, 17000, 18700, 22440, 23375, 25500, 28050, 33000, 37400, 39199, 46750, 51000, 56100, 70125, 78398, 93500, 112200, 117597, 140250, 156796, 187000, 195995, 235194, 280500, 313592, 391990, 431189, 470388, 561000, 587985, 666383, 783980, 862378, 940776, 979975, 1175970, 1293567, 1332766, 1567960, 1724756, 1959950, 1999149, 2155945, 2351940, 2587134, 2665532, 2939925, 3331915, 3449512, 3919900, 3998298, 4311890, 4703880, 4899875, 5174268, 5331064, 5879850, 6467835, 6663830, 7330213, 7839800, 7996596, 8623780, 9799750, 9995745, 10348536, 10779725, 11759700, 12935670, 13327660, 14660426, 14699625, 15993192, 16659575, 17247560, 19599500, 19991490, 21559450, 21990639, 23519400, 25871340, 26655320, 29320852, 29399250, 32339175, 33319150, 36651065, 39199000, 39982980, 43118900, 43981278, 49978725, 51742680, 53898625, 58641704, 58798500, 64678350, 66638300, 73302130, 79965960, 83297875, 86237800, 87962556, 99957450, 107797250, 109953195, 117597000, 129356700, 133276600, 146604260, 161695875, 166595750, 175925112, 183255325, 199914900, 215594500, 219906390, 249893625, 258713400, 293208520, 323391750, 333191500, 366510650, 399829800, 431189000, 439812780, 499787250, 549765975, 646783500, 666383000, 733021300, 879625560, 916276625, 999574500, 1099531950, 1293567000, 1466042600, 1832553250, 1999149000, 2199063900, 2748829875, 3665106500, 4398127800, 5497659750, 7330213000, 10995319500, 21990639000]

約数ペア:

[(1, 21990639000), (2, 10995319500), (3, 7330213000), (4, 5497659750), (5, 4398127800), (6, 3665106500), (8, 2748829875), (10, 2199063900), (11, 1999149000), (12, 1832553250), (15, 1466042600), (17, 1293567000), (20, 1099531950), (22, 999574500), (24, 916276625), (25, 879625560), (30, 733021300), (33, 666383000), (34, 646783500), (40, 549765975), (44, 499787250), (50, 439812780), (51, 431189000), (55, 399829800), (60, 366510650), (66, 333191500), (68, 323391750), (75, 293208520), (85, 258713400), (88, 249893625), (100, 219906390), (102, 215594500), (110, 199914900), (120, 183255325), (125, 175925112), (132, 166595750), (136, 161695875), (150, 146604260), (165, 133276600), (170, 129356700), (187, 117597000), (200, 109953195), (204, 107797250), (220, 99957450), (250, 87962556), (255, 86237800), (264, 83297875), (275, 79965960), (300, 73302130), (330, 66638300), (340, 64678350), (374, 58798500), (375, 58641704), (408, 53898625), (425, 51742680), (440, 49978725), (500, 43981278), (510, 43118900), (550, 39982980), (561, 39199000), (600, 36651065), (660, 33319150), (680, 32339175), (748, 29399250), (750, 29320852), (825, 26655320), (850, 25871340), (935, 23519400), (1000, 21990639), (1020, 21559450), (1100, 19991490), (1122, 19599500), (1275, 17247560), (1320, 16659575), (1375, 15993192), (1496, 14699625), (1500, 14660426), (1650, 13327660), (1700, 12935670), (1870, 11759700), (2040, 10779725), (2125, 10348536), (2200, 9995745), (2244, 9799750), (2550, 8623780), (2750, 7996596), (2805, 7839800), (3000, 7330213), (3300, 6663830), (3400, 6467835), (3740, 5879850), (4125, 5331064), (4250, 5174268), (4488, 4899875), (4675, 4703880), (5100, 4311890), (5500, 3998298), (5610, 3919900), (6375, 3449512), (6600, 3331915), (7480, 2939925), (8250, 2665532), (8500, 2587134), (9350, 2351940), (10200, 2155945), (11000, 1999149), (11220, 1959950), (12750, 1724756), (14025, 1567960), (16500, 1332766), (17000, 1293567), (18700, 1175970), (22440, 979975), (23375, 940776), (25500, 862378), (28050, 783980), (33000, 666383), (37400, 587985), (39199, 561000), (46750, 470388), (51000, 431189), (56100, 391990), (70125, 313592), (78398, 280500), (93500, 235194), (112200, 195995), (117597, 187000), (140250, 156796)]