21486258

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{8713}}^1$

素因数の和:8858

約数の個数: 24

約数和(自身を含む): 46898748

約数和(自身を除く): 25412490

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 8713, 17426, 26139, 52278, 78417, 156834, 1193681, 2387362, 3581043, 7162086, 10743129, 21486258]

約数ペア:

[(1, 21486258), (2, 10743129), (3, 7162086), (6, 3581043), (9, 2387362), (18, 1193681), (137, 156834), (274, 78417), (411, 52278), (822, 26139), (1233, 17426), (2466, 8713)]