21030156670

素因数分解:

$2^1\times 5^1\times {\mathrm{16007}}^1\times {\mathrm{131381}}^1$

素因数の和:147395

約数の個数: 16

約数和(自身を含む): 37856935008

約数和(自身を除く): 16826778338

約数列:

[1, 2, 5, 10, 16007, 32014, 80035, 131381, 160070, 262762, 656905, 1313810, 2103015667, 4206031334, 10515078335, 21030156670]

約数ペア:

[(1, 21030156670), (2, 10515078335), (5, 4206031334), (10, 2103015667), (16007, 1313810), (32014, 656905), (80035, 262762), (131381, 160070)]