21855566

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{853}}^1$

素因数の和:1435

約数の個数: 16

約数和(自身を含む): 34310304

約数和(自身を除く): 12454738

約数列:

[1, 2, 23, 46, 557, 853, 1114, 1706, 12811, 19619, 25622, 39238, 475121, 950242, 10927783, 21855566]

約数ペア:

[(1, 21855566), (2, 10927783), (23, 950242), (46, 475121), (557, 39238), (853, 25622), (1114, 19619), (1706, 12811)]