21890696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3113

約数の個数: 32

約数和(自身を含む): 44294040

約数和(自身を除く): 22403344

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3037, 3604, 6074, 7208, 12148, 24296, 51629, 103258, 160961, 206516, 321922, 413032, 643844, 1287688, 2736337, 5472674, 10945348, 21890696]

約数ペア:

[(1, 21890696), (2, 10945348), (4, 5472674), (8, 2736337), (17, 1287688), (34, 643844), (53, 413032), (68, 321922), (106, 206516), (136, 160961), (212, 103258), (424, 51629), (901, 24296), (1802, 12148), (3037, 7208), (3604, 6074)]