21444578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1489}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 33972000

約数和(自身を除く): 12527422

約数列:

[1, 2, 19, 38, 379, 758, 1489, 2978, 7201, 14402, 28291, 56582, 564331, 1128662, 10722289, 21444578]

約数ペア:

[(1, 21444578), (2, 10722289), (19, 1128662), (38, 564331), (379, 56582), (758, 28291), (1489, 14402), (2978, 7201)]