21676833

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 34075860

約数和(自身を除く): 12399027

約数列:

[1, 3, 9, 23, 29, 69, 87, 157, 207, 261, 471, 529, 667, 1413, 1587, 2001, 3611, 4553, 4761, 6003, 10833, 13659, 15341, 32499, 40977, 46023, 83053, 104719, 138069, 249159, 314157, 747477, 942471, 2408537, 7225611, 21676833]

約数ペア:

[(1, 21676833), (3, 7225611), (9, 2408537), (23, 942471), (29, 747477), (69, 314157), (87, 249159), (157, 138069), (207, 104719), (261, 83053), (471, 46023), (529, 40977), (667, 32499), (1413, 15341), (1587, 13659), (2001, 10833), (3611, 6003), (4553, 4761)]