21507329

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 23768640

約数和(自身を除く): 2261311

約数列:

[1, 17, 41, 59, 523, 697, 1003, 2419, 8891, 21443, 30857, 41123, 364531, 524569, 1265137, 21507329]

約数ペア:

[(1, 21507329), (17, 1265137), (41, 524569), (59, 364531), (523, 41123), (697, 30857), (1003, 21443), (2419, 8891)]