21014060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{103}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 45003504

約数和(自身を除く): 23989444

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 202, 206, 404, 412, 505, 515, 1010, 1030, 2020, 2060, 10201, 10403, 20402, 20806, 40804, 41612, 51005, 52015, 102010, 104030, 204020, 208060, 1050703, 2101406, 4202812, 5253515, 10507030, 21014060]

約数ペア:

[(1, 21014060), (2, 10507030), (4, 5253515), (5, 4202812), (10, 2101406), (20, 1050703), (101, 208060), (103, 204020), (202, 104030), (206, 102010), (404, 52015), (412, 51005), (505, 41612), (515, 40804), (1010, 20806), (1030, 20402), (2020, 10403), (2060, 10201)]