21475828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28711}}^1$

素因数の和:28743

約数の個数: 24

約数和(自身を含む): 43412544

約数和(自身を除く): 21936716

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28711, 57422, 114844, 315821, 488087, 631642, 976174, 1263284, 1952348, 5368957, 10737914, 21475828]

約数ペア:

[(1, 21475828), (2, 10737914), (4, 5368957), (11, 1952348), (17, 1263284), (22, 976174), (34, 631642), (44, 488087), (68, 315821), (187, 114844), (374, 57422), (748, 28711)]