21810130

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19301}}^1$

素因数の和:19421

約数の個数: 16

約数和(自身を含む): 39607704

約数和(自身を除く): 17797574

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 19301, 38602, 96505, 193010, 2181013, 4362026, 10905065, 21810130]

約数ペア:

[(1, 21810130), (2, 10905065), (5, 4362026), (10, 2181013), (113, 193010), (226, 96505), (565, 38602), (1130, 19301)]