21046406

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{941}}^1$

素因数の和:1207

約数の個数: 16

約数和(自身を含む): 32352048

約数和(自身を除く): 11305642

約数列:

[1, 2, 53, 106, 211, 422, 941, 1882, 11183, 22366, 49873, 99746, 198551, 397102, 10523203, 21046406]

約数ペア:

[(1, 21046406), (2, 10523203), (53, 397102), (106, 198551), (211, 99746), (422, 49873), (941, 22366), (1882, 11183)]