21098372

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 16600828

約数列:

[1, 2, 4, 79, 158, 179, 316, 358, 373, 716, 746, 1492, 14141, 28282, 29467, 56564, 58934, 66767, 117868, 133534, 267068, 5274593, 10549186, 21098372]

約数ペア:

[(1, 21098372), (2, 10549186), (4, 5274593), (79, 267068), (158, 133534), (179, 117868), (316, 66767), (358, 58934), (373, 56564), (716, 29467), (746, 28282), (1492, 14141)]