21024840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 63423360

約数和(自身を除く): 42398520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 727, 964, 1205, 1446, 1454, 1928, 2181, 2410, 2892, 2908, 3615, 3635, 4362, 4820, 5784, 5816, 7230, 7270, 8724, 9640, 10905, 14460, 14540, 17448, 21810, 28920, 29080, 43620, 87240, 175207, 350414, 525621, 700828, 876035, 1051242, 1401656, 1752070, 2102484, 2628105, 3504140, 4204968, 5256210, 7008280, 10512420, 21024840]

約数ペア:

[(1, 21024840), (2, 10512420), (3, 7008280), (4, 5256210), (5, 4204968), (6, 3504140), (8, 2628105), (10, 2102484), (12, 1752070), (15, 1401656), (20, 1051242), (24, 876035), (30, 700828), (40, 525621), (60, 350414), (120, 175207), (241, 87240), (482, 43620), (723, 29080), (727, 28920), (964, 21810), (1205, 17448), (1446, 14540), (1454, 14460), (1928, 10905), (2181, 9640), (2410, 8724), (2892, 7270), (2908, 7230), (3615, 5816), (3635, 5784), (4362, 4820)]