21664968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69439}}^1$

素因数の和:69461

約数の個数: 32

約数和(自身を含む): 58329600

約数和(自身を除く): 36664632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69439, 138878, 208317, 277756, 416634, 555512, 833268, 902707, 1666536, 1805414, 2708121, 3610828, 5416242, 7221656, 10832484, 21664968]

約数ペア:

[(1, 21664968), (2, 10832484), (3, 7221656), (4, 5416242), (6, 3610828), (8, 2708121), (12, 1805414), (13, 1666536), (24, 902707), (26, 833268), (39, 555512), (52, 416634), (78, 277756), (104, 208317), (156, 138878), (312, 69439)]