21163538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 16067950

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 781, 797, 1207, 1562, 1594, 2414, 8767, 13277, 13549, 17534, 26554, 27098, 56587, 113174, 149039, 298078, 622457, 961979, 1244914, 1923958, 10581769, 21163538]

約数ペア:

[(1, 21163538), (2, 10581769), (11, 1923958), (17, 1244914), (22, 961979), (34, 622457), (71, 298078), (142, 149039), (187, 113174), (374, 56587), (781, 27098), (797, 26554), (1207, 17534), (1562, 13549), (1594, 13277), (2414, 8767)]