21963005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 5494915

約数列:

[1, 5, 29, 145, 167, 835, 907, 4535, 4843, 24215, 26303, 131515, 151469, 757345, 4392601, 21963005]

約数ペア:

[(1, 21963005), (5, 4392601), (29, 757345), (145, 151469), (167, 131515), (835, 26303), (907, 24215), (4535, 4843)]