21351030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{711701}}^1$

素因数の和:711711

約数の個数: 16

約数和(自身を含む): 51242544

約数和(自身を除く): 29891514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 711701, 1423402, 2135103, 3558505, 4270206, 7117010, 10675515, 21351030]

約数ペア:

[(1, 21351030), (2, 10675515), (3, 7117010), (5, 4270206), (6, 3558505), (10, 2135103), (15, 1423402), (30, 711701)]