21107100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 76800640

約数和(自身を除く): 55693540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 25, 28, 30, 35, 38, 42, 46, 50, 57, 60, 69, 70, 75, 76, 84, 92, 95, 100, 105, 114, 115, 133, 138, 140, 150, 161, 175, 190, 210, 228, 230, 266, 276, 285, 300, 322, 345, 350, 380, 399, 420, 437, 460, 475, 483, 525, 529, 532, 570, 575, 644, 665, 690, 700, 798, 805, 874, 950, 966, 1050, 1058, 1140, 1150, 1311, 1330, 1380, 1425, 1587, 1596, 1610, 1725, 1748, 1900, 1932, 1995, 2100, 2116, 2185, 2300, 2415, 2622, 2645, 2660, 2850, 3059, 3174, 3220, 3325, 3450, 3703, 3990, 4025, 4370, 4830, 5244, 5290, 5700, 6118, 6348, 6555, 6650, 6900, 7406, 7935, 7980, 8050, 8740, 9177, 9660, 9975, 10051, 10580, 10925, 11109, 12075, 12236, 13110, 13225, 13300, 14812, 15295, 15870, 16100, 18354, 18515, 19950, 20102, 21850, 22218, 24150, 26220, 26450, 30153, 30590, 31740, 32775, 36708, 37030, 39675, 39900, 40204, 43700, 44436, 45885, 48300, 50255, 52900, 55545, 60306, 61180, 65550, 70357, 74060, 76475, 79350, 91770, 92575, 100510, 111090, 120612, 131100, 140714, 150765, 152950, 158700, 183540, 185150, 201020, 211071, 222180, 229425, 251275, 277725, 281428, 301530, 305900, 351785, 370300, 422142, 458850, 502550, 555450, 603060, 703570, 753825, 844284, 917700, 1005100, 1055355, 1110900, 1407140, 1507650, 1758925, 2110710, 3015300, 3517850, 4221420, 5276775, 7035700, 10553550, 21107100]

約数ペア:

[(1, 21107100), (2, 10553550), (3, 7035700), (4, 5276775), (5, 4221420), (6, 3517850), (7, 3015300), (10, 2110710), (12, 1758925), (14, 1507650), (15, 1407140), (19, 1110900), (20, 1055355), (21, 1005100), (23, 917700), (25, 844284), (28, 753825), (30, 703570), (35, 603060), (38, 555450), (42, 502550), (46, 458850), (50, 422142), (57, 370300), (60, 351785), (69, 305900), (70, 301530), (75, 281428), (76, 277725), (84, 251275), (92, 229425), (95, 222180), (100, 211071), (105, 201020), (114, 185150), (115, 183540), (133, 158700), (138, 152950), (140, 150765), (150, 140714), (161, 131100), (175, 120612), (190, 111090), (210, 100510), (228, 92575), (230, 91770), (266, 79350), (276, 76475), (285, 74060), (300, 70357), (322, 65550), (345, 61180), (350, 60306), (380, 55545), (399, 52900), (420, 50255), (437, 48300), (460, 45885), (475, 44436), (483, 43700), (525, 40204), (529, 39900), (532, 39675), (570, 37030), (575, 36708), (644, 32775), (665, 31740), (690, 30590), (700, 30153), (798, 26450), (805, 26220), (874, 24150), (950, 22218), (966, 21850), (1050, 20102), (1058, 19950), (1140, 18515), (1150, 18354), (1311, 16100), (1330, 15870), (1380, 15295), (1425, 14812), (1587, 13300), (1596, 13225), (1610, 13110), (1725, 12236), (1748, 12075), (1900, 11109), (1932, 10925), (1995, 10580), (2100, 10051), (2116, 9975), (2185, 9660), (2300, 9177), (2415, 8740), (2622, 8050), (2645, 7980), (2660, 7935), (2850, 7406), (3059, 6900), (3174, 6650), (3220, 6555), (3325, 6348), (3450, 6118), (3703, 5700), (3990, 5290), (4025, 5244), (4370, 4830)]