21408318

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{6571}}^1$

素因数の和:6760

約数の個数: 24

約数和(自身を含む): 46648056

約数和(自身を除く): 25239738

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 6571, 13142, 19713, 39426, 59139, 118278, 1189351, 2378702, 3568053, 7136106, 10704159, 21408318]

約数ペア:

[(1, 21408318), (2, 10704159), (3, 7136106), (6, 3568053), (9, 2378702), (18, 1189351), (181, 118278), (362, 59139), (543, 39426), (1086, 19713), (1629, 13142), (3258, 6571)]