21462553

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 3927527

約数列:

[1, 7, 37, 173, 259, 479, 1211, 3353, 6401, 17723, 44807, 82867, 124061, 580069, 3066079, 21462553]

約数ペア:

[(1, 21462553), (7, 3066079), (37, 580069), (173, 124061), (259, 82867), (479, 44807), (1211, 17723), (3353, 6401)]