21192783171

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1736971}}^1$

素因数の和:1737071

約数の個数: 24

約数和(自身を含む): 33266487744

約数和(自身を除く): 12073704573

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 1736971, 5210913, 12158797, 36476391, 85111579, 144168593, 255334737, 432505779, 1009180151, 3027540453, 7064261057, 21192783171]

約数ペア:

[(1, 21192783171), (3, 7064261057), (7, 3027540453), (21, 1009180151), (49, 432505779), (83, 255334737), (147, 144168593), (249, 85111579), (581, 36476391), (1743, 12158797), (4067, 5210913), (12201, 1736971)]