21498387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2207}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 30523392

約数和(自身を除く): 9025005

約数列:

[1, 3, 17, 51, 191, 573, 2207, 3247, 6621, 9741, 37519, 112557, 421537, 1264611, 7166129, 21498387]

約数ペア:

[(1, 21498387), (3, 7166129), (17, 1264611), (51, 421537), (191, 112557), (573, 37519), (2207, 9741), (3247, 6621)]