21528360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8543}}^1$

素因数の和:8567

約数の個数: 96

約数和(自身を含む): 79971840

約数和(自身を除く): 58443480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8543, 17086, 25629, 34172, 42715, 51258, 59801, 68344, 76887, 85430, 102516, 119602, 128145, 153774, 170860, 179403, 205032, 239204, 256290, 299005, 307548, 341720, 358806, 384435, 478408, 512580, 538209, 598010, 615096, 717612, 768870, 897015, 1025160, 1076418, 1196020, 1435224, 1537740, 1794030, 2152836, 2392040, 2691045, 3075480, 3588060, 4305672, 5382090, 7176120, 10764180, 21528360]

約数ペア:

[(1, 21528360), (2, 10764180), (3, 7176120), (4, 5382090), (5, 4305672), (6, 3588060), (7, 3075480), (8, 2691045), (9, 2392040), (10, 2152836), (12, 1794030), (14, 1537740), (15, 1435224), (18, 1196020), (20, 1076418), (21, 1025160), (24, 897015), (28, 768870), (30, 717612), (35, 615096), (36, 598010), (40, 538209), (42, 512580), (45, 478408), (56, 384435), (60, 358806), (63, 341720), (70, 307548), (72, 299005), (84, 256290), (90, 239204), (105, 205032), (120, 179403), (126, 170860), (140, 153774), (168, 128145), (180, 119602), (210, 102516), (252, 85430), (280, 76887), (315, 68344), (360, 59801), (420, 51258), (504, 42715), (630, 34172), (840, 25629), (1260, 17086), (2520, 8543)]