21066008

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9371}}^1$

素因数の和:9658

約数の個数: 16

約数和(自身を含む): 39643560

約数和(自身を除く): 18577552

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9371, 18742, 37484, 74968, 2633251, 5266502, 10533004, 21066008]

約数ペア:

[(1, 21066008), (2, 10533004), (4, 5266502), (8, 2633251), (281, 74968), (562, 37484), (1124, 18742), (2248, 9371)]