21858826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12577}}^1$

素因数の和:12669

約数の個数: 16

約数和(自身を含む): 36224640

約数和(自身を除く): 14365814

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12577, 25154, 138347, 276694, 993583, 1987166, 10929413, 21858826]

約数ペア:

[(1, 21858826), (2, 10929413), (11, 1987166), (22, 993583), (79, 276694), (158, 138347), (869, 25154), (1738, 12577)]