21164876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{607}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 38814720

約数和(自身を除く): 17649844

約数列:

[1, 2, 4, 23, 46, 92, 379, 607, 758, 1214, 1516, 2428, 8717, 13961, 17434, 27922, 34868, 55844, 230053, 460106, 920212, 5291219, 10582438, 21164876]

約数ペア:

[(1, 21164876), (2, 10582438), (4, 5291219), (23, 920212), (46, 460106), (92, 230053), (379, 55844), (607, 34868), (758, 27922), (1214, 17434), (1516, 13961), (2428, 8717)]