21777881788901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5282047487}}^1$

素因数の和:5282047544

約数の個数: 16

約数和(自身を含む): 27044083138560

約数和(自身を除く): 5266201349659

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5282047487, 36974332409, 100358902253, 163743472097, 702512315771, 1146204304679, 3111125969843, 21777881788901]

約数ペア:

[(1, 21777881788901), (7, 3111125969843), (19, 1146204304679), (31, 702512315771), (133, 163743472097), (217, 100358902253), (589, 36974332409), (4123, 5282047487)]