21606544

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9857}}^1$

素因数の和:10002

約数の個数: 20

約数和(自身を含む): 42172524

約数和(自身を除く): 20565980

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9857, 19714, 39428, 78856, 157712, 1350409, 2700818, 5401636, 10803272, 21606544]

約数ペア:

[(1, 21606544), (2, 10803272), (4, 5401636), (8, 2700818), (16, 1350409), (137, 157712), (274, 78856), (548, 39428), (1096, 19714), (2192, 9857)]