21876729

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6899}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 11684871

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6899, 20697, 48293, 144879, 1041749, 3125247, 7292243, 21876729]

約数ペア:

[(1, 21876729), (3, 7292243), (7, 3125247), (21, 1041749), (151, 144879), (453, 48293), (1057, 20697), (3171, 6899)]