21029454

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13127}}^1$

素因数の和:13224

約数の個数: 24

約数和(自身を含む): 46079280

約数和(自身を除く): 25049826

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13127, 26254, 39381, 78762, 118143, 236286, 1168303, 2336606, 3504909, 7009818, 10514727, 21029454]

約数ペア:

[(1, 21029454), (2, 10514727), (3, 7009818), (6, 3504909), (9, 2336606), (18, 1168303), (89, 236286), (178, 118143), (267, 78762), (534, 39381), (801, 26254), (1602, 13127)]