21664908

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 37041012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 719, 837, 972, 1116, 1438, 1674, 2157, 2511, 2876, 3348, 4314, 5022, 6471, 7533, 8628, 10044, 12942, 15066, 19413, 22289, 25884, 30132, 38826, 44578, 58239, 66867, 77652, 89156, 116478, 133734, 174717, 200601, 232956, 267468, 349434, 401202, 601803, 698868, 802404, 1203606, 1805409, 2407212, 3610818, 5416227, 7221636, 10832454, 21664908]

約数ペア:

[(1, 21664908), (2, 10832454), (3, 7221636), (4, 5416227), (6, 3610818), (9, 2407212), (12, 1805409), (18, 1203606), (27, 802404), (31, 698868), (36, 601803), (54, 401202), (62, 349434), (81, 267468), (93, 232956), (108, 200601), (124, 174717), (162, 133734), (186, 116478), (243, 89156), (279, 77652), (324, 66867), (372, 58239), (486, 44578), (558, 38826), (719, 30132), (837, 25884), (972, 22289), (1116, 19413), (1438, 15066), (1674, 12942), (2157, 10044), (2511, 8628), (2876, 7533), (3348, 6471), (4314, 5022)]