21000547713

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{433421}}^1$

素因数の和:433976

約数の個数: 16

約数和(自身を含む): 28959524352

約数和(自身を除く): 7958976639

約数列:

[1, 3, 31, 93, 521, 1563, 16151, 48453, 433421, 1300263, 13436051, 40308153, 225812341, 677437023, 7000182571, 21000547713]

約数ペア:

[(1, 21000547713), (3, 7000182571), (31, 677437023), (93, 225812341), (521, 40308153), (1563, 13436051), (16151, 1300263), (48453, 433421)]