21291255853

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1\times {\mathrm{44119}}^1$

素因数の和:45168

約数の個数: 16

約数和(自身を含む): 24701552640

約数和(自身を除く): 3410296787

約数列:

[1, 7, 71, 497, 971, 6797, 44119, 68941, 308833, 482587, 3132449, 21927143, 42839549, 299876843, 3041607979, 21291255853]

約数ペア:

[(1, 21291255853), (7, 3041607979), (71, 299876843), (497, 42839549), (971, 21927143), (6797, 3132449), (44119, 482587), (68941, 308833)]