21248065130

素因数分解:

$2^1\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{1317301}}^1$

素因数の和:1318921

約数の個数: 16

約数和(自身を含む): 38270257704

約数和(自身を除く): 17022192574

約数列:

[1, 2, 5, 10, 1613, 3226, 8065, 16130, 1317301, 2634602, 6586505, 13173010, 2124806513, 4249613026, 10624032565, 21248065130]

約数ペア:

[(1, 21248065130), (2, 10624032565), (5, 4249613026), (10, 2124806513), (1613, 13173010), (3226, 6586505), (8065, 2634602), (16130, 1317301)]