21569138

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:881

約数の個数: 16

約数和(自身を含む): 32904960

約数和(自身を除く): 11335822

約数列:

[1, 2, 109, 163, 218, 326, 607, 1214, 17767, 35534, 66163, 98941, 132326, 197882, 10784569, 21569138]

約数ペア:

[(1, 21569138), (2, 10784569), (109, 197882), (163, 132326), (218, 98941), (326, 66163), (607, 35534), (1214, 17767)]