21091178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19139}}^1$

素因数の和:19189

約数の個数: 16

約数和(自身を含む): 34452000

約数和(自身を除く): 13360822

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19139, 38278, 363641, 555031, 727282, 1110062, 10545589, 21091178]

約数ペア:

[(1, 21091178), (2, 10545589), (19, 1110062), (29, 727282), (38, 555031), (58, 363641), (551, 38278), (1102, 19139)]