21972604

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 39972240

約数和(自身を除く): 17999636

約数列:

[1, 2, 4, 29, 58, 116, 307, 614, 617, 1228, 1234, 2468, 8903, 17806, 17893, 35612, 35786, 71572, 189419, 378838, 757676, 5493151, 10986302, 21972604]

約数ペア:

[(1, 21972604), (2, 10986302), (4, 5493151), (29, 757676), (58, 378838), (116, 189419), (307, 71572), (614, 35786), (617, 35612), (1228, 17893), (1234, 17806), (2468, 8903)]