21098312

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20114488

約数列:

[1, 2, 4, 8, 29, 58, 116, 211, 232, 422, 431, 844, 862, 1688, 1724, 3448, 6119, 12238, 12499, 24476, 24998, 48952, 49996, 90941, 99992, 181882, 363764, 727528, 2637289, 5274578, 10549156, 21098312]

約数ペア:

[(1, 21098312), (2, 10549156), (4, 5274578), (8, 2637289), (29, 727528), (58, 363764), (116, 181882), (211, 99992), (232, 90941), (422, 49996), (431, 48952), (844, 24998), (862, 24476), (1688, 12499), (1724, 12238), (3448, 6119)]