21787258947

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{4129}}^1\times {\mathrm{37423}}^1$

素因数の和:41602

約数の個数: 16

約数和(自身を含む): 29675735040

約数和(自身を除く): 7888476093

約数列:

[1, 3, 47, 141, 4129, 12387, 37423, 112269, 194063, 582189, 1758881, 5276643, 154519567, 463558701, 7262419649, 21787258947]

約数ペア:

[(1, 21787258947), (3, 7262419649), (47, 463558701), (141, 154519567), (4129, 5276643), (12387, 1758881), (37423, 582189), (112269, 194063)]