21001002465

素因数分解:

$3^1\times 5^1\times {\mathrm{3643}}^1\times {\mathrm{384317}}^1$

素因数の和:387968

約数の個数: 16

約数和(自身を含む): 33610915008

約数和(自身を除く): 12609912543

約数列:

[1, 3, 5, 15, 3643, 10929, 18215, 54645, 384317, 1152951, 1921585, 5764755, 1400066831, 4200200493, 7000334155, 21001002465]

約数ペア:

[(1, 21001002465), (3, 7000334155), (5, 4200200493), (15, 1400066831), (3643, 5764755), (10929, 1921585), (18215, 1152951), (54645, 384317)]