2221023

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 3570480

約数和(自身を除く): 1349457

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 521, 609, 1421, 1563, 3647, 4263, 10941, 15109, 25529, 45327, 76587, 105763, 317289, 740341, 2221023]

約数ペア:

[(1, 2221023), (3, 740341), (7, 317289), (21, 105763), (29, 76587), (49, 45327), (87, 25529), (147, 15109), (203, 10941), (521, 4263), (609, 3647), (1421, 1563)]