21543302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51539}}^1$

素因数の和:51571

約数の個数: 16

約数和(自身を含む): 37108800

約数和(自身を除く): 15565498

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51539, 103078, 566929, 979241, 1133858, 1958482, 10771651, 21543302]

約数ペア:

[(1, 21543302), (2, 10771651), (11, 1958482), (19, 1133858), (22, 979241), (38, 566929), (209, 103078), (418, 51539)]