21315801

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{42043}}^1$

素因数の和:42072

約数の個数: 12

約数和(自身を含む): 30776208

約数和(自身を除く): 9460407

約数列:

[1, 3, 13, 39, 169, 507, 42043, 126129, 546559, 1639677, 7105267, 21315801]

約数ペア:

[(1, 21315801), (3, 7105267), (13, 1639677), (39, 546559), (169, 126129), (507, 42043)]