21996211315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{32411}}^1$

素因数の和:32679

約数の個数: 32

約数和(自身を含む): 29110124736

約数和(自身を除く): 7113913421

約数列:

[1, 5, 13, 53, 65, 197, 265, 689, 985, 2561, 3445, 10441, 12805, 32411, 52205, 135733, 162055, 421343, 678665, 1717783, 2106715, 6384967, 8588915, 22331179, 31924835, 83004571, 111655895, 338403251, 415022855, 1692016255, 4399242263, 21996211315]

約数ペア:

[(1, 21996211315), (5, 4399242263), (13, 1692016255), (53, 415022855), (65, 338403251), (197, 111655895), (265, 83004571), (689, 31924835), (985, 22331179), (2561, 8588915), (3445, 6384967), (10441, 2106715), (12805, 1717783), (32411, 678665), (52205, 421343), (135733, 162055)]