21414405957

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{514757}}^1$

素因数の和:515057

約数の個数: 24

約数和(自身を含む): 33331610016

約数和(自身を除く): 11917204059

約数列:

[1, 3, 7, 21, 49, 147, 283, 849, 1981, 5943, 13867, 41601, 514757, 1544271, 3603299, 10809897, 25223093, 75669279, 145676231, 437028693, 1019733617, 3059200851, 7138135319, 21414405957]

約数ペア:

[(1, 21414405957), (3, 7138135319), (7, 3059200851), (21, 1019733617), (49, 437028693), (147, 145676231), (283, 75669279), (849, 25223093), (1981, 10809897), (5943, 3603299), (13867, 1544271), (41601, 514757)]