42221290

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10529}}^1$

素因数の和:10937

約数の個数: 16

約数和(自身を含む): 76195080

約数和(自身を除く): 33973790

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 10529, 21058, 52645, 105290, 4222129, 8444258, 21110645, 42221290]

約数ペア:

[(1, 42221290), (2, 21110645), (5, 8444258), (10, 4222129), (401, 105290), (802, 52645), (2005, 21058), (4010, 10529)]