21321782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1223}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12166858

約数列:

[1, 2, 23, 46, 379, 758, 1223, 2446, 8717, 17434, 28129, 56258, 463517, 927034, 10660891, 21321782]

約数ペア:

[(1, 21321782), (2, 10660891), (23, 927034), (46, 463517), (379, 56258), (758, 28129), (1223, 17434), (2446, 8717)]