21799194

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4447}}^1$

素因数の和:4514

約数の個数: 32

約数和(自身を含む): 46970880

約数和(自身を除く): 25171686

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4447, 4902, 8894, 13341, 26682, 84493, 168986, 191221, 253479, 382442, 506958, 573663, 1147326, 3633199, 7266398, 10899597, 21799194]

約数ペア:

[(1, 21799194), (2, 10899597), (3, 7266398), (6, 3633199), (19, 1147326), (38, 573663), (43, 506958), (57, 382442), (86, 253479), (114, 191221), (129, 168986), (258, 84493), (817, 26682), (1634, 13341), (2451, 8894), (4447, 4902)]