21031915078

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1\times {\mathrm{161911}}^1$

素因数の和:162627

約数の個数: 16

約数和(自身を含む): 31895368704

約数和(自身を除く): 10863453626

約数列:

[1, 2, 107, 214, 607, 1214, 64949, 129898, 161911, 323822, 17324477, 34648954, 98279977, 196559954, 10515957539, 21031915078]

約数ペア:

[(1, 21031915078), (2, 10515957539), (107, 196559954), (214, 98279977), (607, 34648954), (1214, 17324477), (64949, 323822), (129898, 161911)]