21721872

素因数分解:

$2^4\times 3^1\times {\mathrm{452539}}^1$

素因数の和:452550

約数の個数: 20

約数和(自身を含む): 56114960

約数和(自身を除く): 34393088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 452539, 905078, 1357617, 1810156, 2715234, 3620312, 5430468, 7240624, 10860936, 21721872]

約数ペア:

[(1, 21721872), (2, 10860936), (3, 7240624), (4, 5430468), (6, 3620312), (8, 2715234), (12, 1810156), (16, 1357617), (24, 905078), (48, 452539)]