21723600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 71375392

約数和(自身を除く): 49651792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 129, 150, 172, 200, 215, 240, 258, 300, 344, 400, 421, 430, 516, 600, 645, 688, 842, 860, 1032, 1075, 1200, 1263, 1290, 1684, 1720, 2064, 2105, 2150, 2526, 2580, 3225, 3368, 3440, 4210, 4300, 5052, 5160, 6315, 6450, 6736, 8420, 8600, 10104, 10320, 10525, 12630, 12900, 16840, 17200, 18103, 20208, 21050, 25260, 25800, 31575, 33680, 36206, 42100, 50520, 51600, 54309, 63150, 72412, 84200, 90515, 101040, 108618, 126300, 144824, 168400, 181030, 217236, 252600, 271545, 289648, 362060, 434472, 452575, 505200, 543090, 724120, 868944, 905150, 1086180, 1357725, 1448240, 1810300, 2172360, 2715450, 3620600, 4344720, 5430900, 7241200, 10861800, 21723600]

約数ペア:

[(1, 21723600), (2, 10861800), (3, 7241200), (4, 5430900), (5, 4344720), (6, 3620600), (8, 2715450), (10, 2172360), (12, 1810300), (15, 1448240), (16, 1357725), (20, 1086180), (24, 905150), (25, 868944), (30, 724120), (40, 543090), (43, 505200), (48, 452575), (50, 434472), (60, 362060), (75, 289648), (80, 271545), (86, 252600), (100, 217236), (120, 181030), (129, 168400), (150, 144824), (172, 126300), (200, 108618), (215, 101040), (240, 90515), (258, 84200), (300, 72412), (344, 63150), (400, 54309), (421, 51600), (430, 50520), (516, 42100), (600, 36206), (645, 33680), (688, 31575), (842, 25800), (860, 25260), (1032, 21050), (1075, 20208), (1200, 18103), (1263, 17200), (1290, 16840), (1684, 12900), (1720, 12630), (2064, 10525), (2105, 10320), (2150, 10104), (2526, 8600), (2580, 8420), (3225, 6736), (3368, 6450), (3440, 6315), (4210, 5160), (4300, 5052)]