21704612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1031}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 40165440

約数和(自身を除く): 18460828

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 1031, 1108, 2062, 4124, 5263, 10526, 19589, 21052, 39178, 78356, 285587, 571174, 1142348, 5426153, 10852306, 21704612]

約数ペア:

[(1, 21704612), (2, 10852306), (4, 5426153), (19, 1142348), (38, 571174), (76, 285587), (277, 78356), (554, 39178), (1031, 21052), (1108, 19589), (2062, 10526), (4124, 5263)]