21371012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3637}}^1$

素因数の和:3767

約数の個数: 24

約数和(自身を含む): 40643736

約数和(自身を除く): 19272724

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3637, 5876, 7274, 14548, 47281, 94562, 189124, 410981, 821962, 1643924, 5342753, 10685506, 21371012]

約数ペア:

[(1, 21371012), (2, 10685506), (4, 5342753), (13, 1643924), (26, 821962), (52, 410981), (113, 189124), (226, 94562), (452, 47281), (1469, 14548), (2938, 7274), (3637, 5876)]