21799304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 43788600

約数和(自身を除く): 21989296

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1801, 3026, 3602, 6052, 7204, 12104, 14408, 30617, 61234, 122468, 160289, 244936, 320578, 641156, 1282312, 2724913, 5449826, 10899652, 21799304]

約数ペア:

[(1, 21799304), (2, 10899652), (4, 5449826), (8, 2724913), (17, 1282312), (34, 641156), (68, 320578), (89, 244936), (136, 160289), (178, 122468), (356, 61234), (712, 30617), (1513, 14408), (1801, 12104), (3026, 7204), (3602, 6052)]