21580650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 77995008

約数和(自身を除く): 56414358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 25, 26, 30, 31, 34, 35, 39, 42, 45, 50, 51, 62, 63, 65, 70, 75, 78, 85, 90, 91, 93, 102, 105, 117, 119, 126, 130, 150, 153, 155, 170, 175, 182, 186, 195, 210, 217, 221, 225, 234, 238, 255, 273, 279, 306, 310, 315, 325, 350, 357, 390, 403, 425, 434, 442, 450, 455, 465, 510, 525, 527, 546, 558, 585, 595, 630, 650, 651, 663, 714, 765, 775, 806, 819, 850, 910, 930, 975, 1050, 1054, 1071, 1085, 1105, 1170, 1190, 1209, 1275, 1302, 1326, 1365, 1395, 1530, 1547, 1550, 1575, 1581, 1638, 1785, 1950, 1953, 1989, 2015, 2142, 2170, 2210, 2275, 2325, 2418, 2550, 2635, 2730, 2790, 2821, 2925, 2975, 3094, 3150, 3162, 3255, 3315, 3570, 3627, 3689, 3825, 3906, 3978, 4030, 4095, 4550, 4641, 4650, 4743, 5270, 5355, 5425, 5525, 5642, 5850, 5950, 6045, 6510, 6630, 6825, 6851, 6975, 7254, 7378, 7650, 7735, 7905, 8190, 8463, 8925, 9282, 9486, 9765, 9945, 10075, 10710, 10850, 11050, 11067, 12090, 13175, 13650, 13702, 13923, 13950, 14105, 15470, 15810, 16275, 16575, 16926, 17850, 18135, 18445, 19530, 19890, 20150, 20475, 20553, 22134, 23205, 23715, 25389, 26350, 26775, 27846, 28210, 30225, 32550, 33150, 33201, 34255, 36270, 36890, 38675, 39525, 40950, 41106, 42315, 46410, 47430, 47957, 48825, 49725, 50778, 53550, 55335, 60450, 61659, 66402, 68510, 69615, 70525, 77350, 79050, 84630, 90675, 92225, 95914, 97650, 99450, 102765, 110670, 116025, 118575, 123318, 126945, 139230, 141050, 143871, 166005, 171275, 181350, 184450, 205530, 211575, 232050, 237150, 239785, 253890, 276675, 287742, 308295, 332010, 342550, 348075, 423150, 431613, 479570, 513825, 553350, 616590, 634725, 696150, 719355, 830025, 863226, 1027650, 1198925, 1269450, 1438710, 1541475, 1660050, 2158065, 2397850, 3082950, 3596775, 4316130, 7193550, 10790325, 21580650]

約数ペア:

[(1, 21580650), (2, 10790325), (3, 7193550), (5, 4316130), (6, 3596775), (7, 3082950), (9, 2397850), (10, 2158065), (13, 1660050), (14, 1541475), (15, 1438710), (17, 1269450), (18, 1198925), (21, 1027650), (25, 863226), (26, 830025), (30, 719355), (31, 696150), (34, 634725), (35, 616590), (39, 553350), (42, 513825), (45, 479570), (50, 431613), (51, 423150), (62, 348075), (63, 342550), (65, 332010), (70, 308295), (75, 287742), (78, 276675), (85, 253890), (90, 239785), (91, 237150), (93, 232050), (102, 211575), (105, 205530), (117, 184450), (119, 181350), (126, 171275), (130, 166005), (150, 143871), (153, 141050), (155, 139230), (170, 126945), (175, 123318), (182, 118575), (186, 116025), (195, 110670), (210, 102765), (217, 99450), (221, 97650), (225, 95914), (234, 92225), (238, 90675), (255, 84630), (273, 79050), (279, 77350), (306, 70525), (310, 69615), (315, 68510), (325, 66402), (350, 61659), (357, 60450), (390, 55335), (403, 53550), (425, 50778), (434, 49725), (442, 48825), (450, 47957), (455, 47430), (465, 46410), (510, 42315), (525, 41106), (527, 40950), (546, 39525), (558, 38675), (585, 36890), (595, 36270), (630, 34255), (650, 33201), (651, 33150), (663, 32550), (714, 30225), (765, 28210), (775, 27846), (806, 26775), (819, 26350), (850, 25389), (910, 23715), (930, 23205), (975, 22134), (1050, 20553), (1054, 20475), (1071, 20150), (1085, 19890), (1105, 19530), (1170, 18445), (1190, 18135), (1209, 17850), (1275, 16926), (1302, 16575), (1326, 16275), (1365, 15810), (1395, 15470), (1530, 14105), (1547, 13950), (1550, 13923), (1575, 13702), (1581, 13650), (1638, 13175), (1785, 12090), (1950, 11067), (1953, 11050), (1989, 10850), (2015, 10710), (2142, 10075), (2170, 9945), (2210, 9765), (2275, 9486), (2325, 9282), (2418, 8925), (2550, 8463), (2635, 8190), (2730, 7905), (2790, 7735), (2821, 7650), (2925, 7378), (2975, 7254), (3094, 6975), (3150, 6851), (3162, 6825), (3255, 6630), (3315, 6510), (3570, 6045), (3627, 5950), (3689, 5850), (3825, 5642), (3906, 5525), (3978, 5425), (4030, 5355), (4095, 5270), (4550, 4743), (4641, 4650)]