21495864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68897}}^1$

素因数の和:68919

約数の個数: 32

約数和(自身を含む): 57874320

約数和(自身を除く): 36378456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68897, 137794, 206691, 275588, 413382, 551176, 826764, 895661, 1653528, 1791322, 2686983, 3582644, 5373966, 7165288, 10747932, 21495864]

約数ペア:

[(1, 21495864), (2, 10747932), (3, 7165288), (4, 5373966), (6, 3582644), (8, 2686983), (12, 1791322), (13, 1653528), (24, 895661), (26, 826764), (39, 551176), (52, 413382), (78, 275588), (104, 206691), (156, 137794), (312, 68897)]