21013858

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4523}}^1$

素因数の和:4649

約数の個数: 16

約数和(自身を含む): 33224256

約数和(自身を除く): 12210398

約数列:

[1, 2, 23, 46, 101, 202, 2323, 4523, 4646, 9046, 104029, 208058, 456823, 913646, 10506929, 21013858]

約数ペア:

[(1, 21013858), (2, 10506929), (23, 913646), (46, 456823), (101, 208058), (202, 104029), (2323, 9046), (4523, 4646)]