21831065

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 27110160

約数和(自身を除く): 5279095

約数列:

[1, 5, 41, 109, 205, 545, 977, 4469, 4885, 22345, 40057, 106493, 200285, 532465, 4366213, 21831065]

約数ペア:

[(1, 21831065), (5, 4366213), (41, 532465), (109, 200285), (205, 106493), (545, 40057), (977, 22345), (4469, 4885)]