21761727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{751}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 31331328

約数和(自身を除く): 9569601

約数列:

[1, 3, 13, 39, 743, 751, 2229, 2253, 9659, 9763, 28977, 29289, 557993, 1673979, 7253909, 21761727]

約数ペア:

[(1, 21761727), (3, 7253909), (13, 1673979), (39, 557993), (743, 29289), (751, 28977), (2229, 9763), (2253, 9659)]