21093616518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270430981}}^1$

素因数の和:270430999

約数の個数: 16

約数和(自身を含む): 45432404976

約数和(自身を除く): 24338788458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270430981, 540861962, 811292943, 1622585886, 3515602753, 7031205506, 10546808259, 21093616518]

約数ペア:

[(1, 21093616518), (2, 10546808259), (3, 7031205506), (6, 3515602753), (13, 1622585886), (26, 811292943), (39, 540861962), (78, 270430981)]