21862967

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 27031680

約数和(自身を除く): 5168713

約数列:

[1, 7, 31, 37, 49, 217, 259, 389, 1147, 1519, 1813, 2723, 8029, 12059, 14393, 19061, 56203, 84413, 100751, 446183, 590891, 705257, 3123281, 21862967]

約数ペア:

[(1, 21862967), (7, 3123281), (31, 705257), (37, 590891), (49, 446183), (217, 100751), (259, 84413), (389, 56203), (1147, 19061), (1519, 14393), (1813, 12059), (2723, 8029)]