21875716079

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1\times {\mathrm{58013}}^1$

素因数の和:58646

約数の個数: 16

約数和(自身を含む): 25292247552

約数和(自身を除く): 3416531473

約数列:

[1, 7, 103, 523, 721, 3661, 53869, 58013, 377083, 406091, 5975339, 30340799, 41827373, 212385593, 3125102297, 21875716079]

約数ペア:

[(1, 21875716079), (7, 3125102297), (103, 212385593), (523, 41827373), (721, 30340799), (3661, 5975339), (53869, 406091), (58013, 377083)]