21217902

素因数分解:

$2^1\times 3^1\times {\mathrm{1321}}^1\times {\mathrm{2677}}^1$

素因数の和:4003

約数の個数: 16

約数和(自身を含む): 42483792

約数和(自身を除く): 21265890

約数列:

[1, 2, 3, 6, 1321, 2642, 2677, 3963, 5354, 7926, 8031, 16062, 3536317, 7072634, 10608951, 21217902]

約数ペア:

[(1, 21217902), (2, 10608951), (3, 7072634), (6, 3536317), (1321, 16062), (2642, 8031), (2677, 7926), (3963, 5354)]