21388697

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 23930880

約数和(自身を除く): 2542183

約数列:

[1, 11, 79, 151, 163, 869, 1661, 1793, 11929, 12877, 24613, 131219, 141647, 270743, 1944427, 21388697]

約数ペア:

[(1, 21388697), (11, 1944427), (79, 270743), (151, 141647), (163, 131219), (869, 24613), (1661, 12877), (1793, 11929)]