21220506

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14923}}^1$

素因数の和:15010

約数の個数: 24

約数和(自身を含む): 46562880

約数和(自身を除く): 25342374

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14923, 29846, 44769, 89538, 134307, 268614, 1178917, 2357834, 3536751, 7073502, 10610253, 21220506]

約数ペア:

[(1, 21220506), (2, 10610253), (3, 7073502), (6, 3536751), (9, 2357834), (18, 1178917), (79, 268614), (158, 134307), (237, 89538), (474, 44769), (711, 29846), (1422, 14923)]