21261222

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4391}}^1$

素因数の和:4668

約数の個数: 24

約数和(自身を含む): 46247760

約数和(自身を除く): 24986538

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4391, 4842, 8782, 13173, 26346, 39519, 79038, 1181179, 2362358, 3543537, 7087074, 10630611, 21261222]

約数ペア:

[(1, 21261222), (2, 10630611), (3, 7087074), (6, 3543537), (9, 2362358), (18, 1181179), (269, 79038), (538, 39519), (807, 26346), (1614, 13173), (2421, 8782), (4391, 4842)]