21150416

素因数分解:

$2^4\times 7^1\times {\mathrm{188843}}^1$

素因数の和:188858

約数の個数: 20

約数和(自身を含む): 46833312

約数和(自身を除く): 25682896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188843, 377686, 755372, 1321901, 1510744, 2643802, 3021488, 5287604, 10575208, 21150416]

約数ペア:

[(1, 21150416), (2, 10575208), (4, 5287604), (7, 3021488), (8, 2643802), (14, 1510744), (16, 1321901), (28, 755372), (56, 377686), (112, 188843)]