21996170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2081}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 45570816

約数和(自身を除く): 23574646

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2081, 2114, 4162, 5285, 10405, 10570, 14567, 20810, 29134, 72835, 145670, 314231, 628462, 1571155, 2199617, 3142310, 4399234, 10998085, 21996170]

約数ペア:

[(1, 21996170), (2, 10998085), (5, 4399234), (7, 3142310), (10, 2199617), (14, 1571155), (35, 628462), (70, 314231), (151, 145670), (302, 72835), (755, 29134), (1057, 20810), (1510, 14567), (2081, 10570), (2114, 10405), (4162, 5285)]