21040164

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3229}}^1$

素因数の和:3420

約数の個数: 36

約数和(自身を含む): 53495260

約数和(自身を除く): 32455096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3229, 3258, 6458, 6516, 9687, 12916, 19374, 29061, 38748, 58122, 116244, 584449, 1168898, 1753347, 2337796, 3506694, 5260041, 7013388, 10520082, 21040164]

約数ペア:

[(1, 21040164), (2, 10520082), (3, 7013388), (4, 5260041), (6, 3506694), (9, 2337796), (12, 1753347), (18, 1168898), (36, 584449), (181, 116244), (362, 58122), (543, 38748), (724, 29061), (1086, 19374), (1629, 12916), (2172, 9687), (3229, 6516), (3258, 6458)]