21726406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11447}}^1$

素因数の和:11535

約数の個数: 16

約数和(自身を含む): 35580384

約数和(自身を除く): 13853978

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11447, 22894, 148811, 297622, 835631, 1671262, 10863203, 21726406]

約数ペア:

[(1, 21726406), (2, 10863203), (13, 1671262), (26, 835631), (73, 297622), (146, 148811), (949, 22894), (1898, 11447)]