21545064

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6959}}^1$

素因数の和:7014

約数の個数: 48

約数和(自身を含む): 59716800

約数和(自身を除く): 38171736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6959, 13918, 20877, 27836, 41754, 55672, 62631, 83508, 125262, 167016, 250524, 299237, 501048, 598474, 897711, 1196948, 1795422, 2393896, 2693133, 3590844, 5386266, 7181688, 10772532, 21545064]

約数ペア:

[(1, 21545064), (2, 10772532), (3, 7181688), (4, 5386266), (6, 3590844), (8, 2693133), (9, 2393896), (12, 1795422), (18, 1196948), (24, 897711), (36, 598474), (43, 501048), (72, 299237), (86, 250524), (129, 167016), (172, 125262), (258, 83508), (344, 62631), (387, 55672), (516, 41754), (774, 27836), (1032, 20877), (1548, 13918), (3096, 6959)]