21021793

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 23821056

約数和(自身を除く): 2799263

約数列:

[1, 13, 23, 167, 299, 421, 2171, 3841, 5473, 9683, 49933, 70307, 125879, 913991, 1617061, 21021793]

約数ペア:

[(1, 21021793), (13, 1617061), (23, 913991), (167, 125879), (299, 70307), (421, 49933), (2171, 9683), (3841, 5473)]