21671600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3222

約数の個数: 60

約数和(自身を含む): 55146024

約数和(自身を除く): 33474424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3187, 3400, 6374, 6800, 12748, 15935, 25496, 31870, 50992, 54179, 63740, 79675, 108358, 127480, 159350, 216716, 254960, 270895, 318700, 433432, 541790, 637400, 866864, 1083580, 1274800, 1354475, 2167160, 2708950, 4334320, 5417900, 10835800, 21671600]

約数ペア:

[(1, 21671600), (2, 10835800), (4, 5417900), (5, 4334320), (8, 2708950), (10, 2167160), (16, 1354475), (17, 1274800), (20, 1083580), (25, 866864), (34, 637400), (40, 541790), (50, 433432), (68, 318700), (80, 270895), (85, 254960), (100, 216716), (136, 159350), (170, 127480), (200, 108358), (272, 79675), (340, 63740), (400, 54179), (425, 50992), (680, 31870), (850, 25496), (1360, 15935), (1700, 12748), (3187, 6800), (3400, 6374)]