21367770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1831}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 51442560

約数和(自身を除く): 30074790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1831, 1945, 2334, 3662, 3890, 5493, 5835, 9155, 10986, 11670, 18310, 27465, 54930, 712259, 1424518, 2136777, 3561295, 4273554, 7122590, 10683885, 21367770]

約数ペア:

[(1, 21367770), (2, 10683885), (3, 7122590), (5, 4273554), (6, 3561295), (10, 2136777), (15, 1424518), (30, 712259), (389, 54930), (778, 27465), (1167, 18310), (1831, 11670), (1945, 10986), (2334, 9155), (3662, 5835), (3890, 5493)]