21676911

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 29366400

約数和(自身を除く): 7689489

約数列:

[1, 3, 139, 227, 229, 417, 681, 687, 31553, 31831, 51983, 94659, 95493, 155949, 7225637, 21676911]

約数ペア:

[(1, 21676911), (3, 7225637), (139, 155949), (227, 95493), (229, 94659), (417, 51983), (681, 31831), (687, 31553)]