21803870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 21206050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 523, 758, 1046, 1895, 2615, 3790, 4169, 5230, 5753, 8338, 11506, 20845, 28765, 41690, 57530, 198217, 396434, 991085, 1982170, 2180387, 4360774, 10901935, 21803870]

約数ペア:

[(1, 21803870), (2, 10901935), (5, 4360774), (10, 2180387), (11, 1982170), (22, 991085), (55, 396434), (110, 198217), (379, 57530), (523, 41690), (758, 28765), (1046, 20845), (1895, 11506), (2615, 8338), (3790, 5753), (4169, 5230)]