21851020

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4813}}^1$

素因数の和:5049

約数の個数: 24

約数和(自身を含む): 46098864

約数和(自身を除く): 24247844

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4813, 9626, 19252, 24065, 48130, 96260, 1092551, 2185102, 4370204, 5462755, 10925510, 21851020]

約数ペア:

[(1, 21851020), (2, 10925510), (4, 5462755), (5, 4370204), (10, 2185102), (20, 1092551), (227, 96260), (454, 48130), (908, 24065), (1135, 19252), (2270, 9626), (4540, 4813)]