21266618

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1163}}^1$

素因数の和:1429

約数の個数: 16

約数和(自身を含む): 32852736

約数和(自身を除く): 11586118

約数列:

[1, 2, 41, 82, 223, 446, 1163, 2326, 9143, 18286, 47683, 95366, 259349, 518698, 10633309, 21266618]

約数ペア:

[(1, 21266618), (2, 10633309), (41, 518698), (82, 259349), (223, 95366), (446, 47683), (1163, 18286), (2326, 9143)]