21497850790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165368083}}^1$

素因数の和:165368103

約数の個数: 16

約数和(自身を含む): 41672757168

約数和(自身を除く): 20174906378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165368083, 330736166, 826840415, 1653680830, 2149785079, 4299570158, 10748925395, 21497850790]

約数ペア:

[(1, 21497850790), (2, 10748925395), (5, 4299570158), (10, 2149785079), (13, 1653680830), (26, 826840415), (65, 330736166), (130, 165368083)]