21566760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3391}}^1$

素因数の和:3458

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 44373720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3391, 6360, 6782, 10173, 13564, 16955, 20346, 27128, 33910, 40692, 50865, 67820, 81384, 101730, 135640, 179723, 203460, 359446, 406920, 539169, 718892, 898615, 1078338, 1437784, 1797230, 2156676, 2695845, 3594460, 4313352, 5391690, 7188920, 10783380, 21566760]

約数ペア:

[(1, 21566760), (2, 10783380), (3, 7188920), (4, 5391690), (5, 4313352), (6, 3594460), (8, 2695845), (10, 2156676), (12, 1797230), (15, 1437784), (20, 1078338), (24, 898615), (30, 718892), (40, 539169), (53, 406920), (60, 359446), (106, 203460), (120, 179723), (159, 135640), (212, 101730), (265, 81384), (318, 67820), (424, 50865), (530, 40692), (636, 33910), (795, 27128), (1060, 20346), (1272, 16955), (1590, 13564), (2120, 10173), (3180, 6782), (3391, 6360)]