21362943

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 33172608

約数和(自身を除く): 11809665

約数列:

[1, 3, 7, 21, 79, 163, 237, 489, 553, 1141, 1659, 3423, 6241, 12877, 18723, 38631, 43687, 90139, 131061, 270417, 1017283, 3051849, 7120981, 21362943]

約数ペア:

[(1, 21362943), (3, 7120981), (7, 3051849), (21, 1017283), (79, 270417), (163, 131061), (237, 90139), (489, 43687), (553, 38631), (1141, 18723), (1659, 12877), (3423, 6241)]