21261090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708703}}^1$

素因数の和:708713

約数の個数: 16

約数和(自身を含む): 51026688

約数和(自身を除く): 29765598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708703, 1417406, 2126109, 3543515, 4252218, 7087030, 10630545, 21261090]

約数ペア:

[(1, 21261090), (2, 10630545), (3, 7087030), (5, 4252218), (6, 3543515), (10, 2126109), (15, 1417406), (30, 708703)]