21934154

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 24

約数和(自身を含む): 36412740

約数和(自身を除く): 14478586

約数列:

[1, 2, 11, 22, 121, 233, 242, 389, 466, 778, 2563, 4279, 5126, 8558, 28193, 47069, 56386, 90637, 94138, 181274, 997007, 1994014, 10967077, 21934154]

約数ペア:

[(1, 21934154), (2, 10967077), (11, 1994014), (22, 997007), (121, 181274), (233, 94138), (242, 90637), (389, 56386), (466, 47069), (778, 28193), (2563, 8558), (4279, 5126)]