21661276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59509}}^1$

素因数の和:59533

約数の個数: 24

約数和(自身を含む): 46655840

約数和(自身を除く): 24994564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59509, 119018, 238036, 416563, 773617, 833126, 1547234, 1666252, 3094468, 5415319, 10830638, 21661276]

約数ペア:

[(1, 21661276), (2, 10830638), (4, 5415319), (7, 3094468), (13, 1666252), (14, 1547234), (26, 833126), (28, 773617), (52, 416563), (91, 238036), (182, 119018), (364, 59509)]