20211642710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{202339}}^1$

素因数の和:203780

約数の個数: 32

約数和(自身を含む): 41607578880

約数和(自身を除く): 21395936170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1427, 2854, 7135, 9989, 14270, 19978, 49945, 99890, 202339, 404678, 1011695, 1416373, 2023390, 2832746, 7081865, 14163730, 288737753, 577475506, 1443688765, 2021164271, 2887377530, 4042328542, 10105821355, 20211642710]

約数ペア:

[(1, 20211642710), (2, 10105821355), (5, 4042328542), (7, 2887377530), (10, 2021164271), (14, 1443688765), (35, 577475506), (70, 288737753), (1427, 14163730), (2854, 7081865), (7135, 2832746), (9989, 2023390), (14270, 1416373), (19978, 1011695), (49945, 404678), (99890, 202339)]