21468069

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2287}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 35692800

約数和(自身を除く): 14224731

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2287, 3129, 6861, 9387, 16009, 20583, 48027, 144081, 340763, 1022289, 2385341, 3066867, 7156023, 21468069]

約数ペア:

[(1, 21468069), (3, 7156023), (7, 3066867), (9, 2385341), (21, 1022289), (63, 340763), (149, 144081), (447, 48027), (1043, 20583), (1341, 16009), (2287, 9387), (3129, 6861)]