21474898

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{691}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 33132960

約数和(自身を除く): 11658062

約数列:

[1, 2, 41, 82, 379, 691, 758, 1382, 15539, 28331, 31078, 56662, 261889, 523778, 10737449, 21474898]

約数ペア:

[(1, 21474898), (2, 10737449), (41, 523778), (82, 261889), (379, 56662), (691, 31078), (758, 28331), (1382, 15539)]