210931430

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{208843}}^1$

素因数の和:208951

約数の個数: 16

約数和(自身を含む): 383437584

約数和(自身を除く): 172506154

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 208843, 417686, 1044215, 2088430, 21093143, 42186286, 105465715, 210931430]

約数ペア:

[(1, 210931430), (2, 105465715), (5, 42186286), (10, 21093143), (101, 2088430), (202, 1044215), (505, 417686), (1010, 208843)]