21942835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3853}}^1$

素因数の和:3942

約数の個数: 16

約数和(自身を含む): 28303776

約数和(自身を除く): 6360941

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3853, 5695, 19265, 65501, 258151, 327505, 1290755, 4388567, 21942835]

約数ペア:

[(1, 21942835), (5, 4388567), (17, 1290755), (67, 327505), (85, 258151), (335, 65501), (1139, 19265), (3853, 5695)]