21826060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3023}}^1$

素因数の和:3070

約数の個数: 36

約数和(自身を含む): 48390048

約数和(自身を除く): 26563988

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3023, 3610, 6046, 7220, 12092, 15115, 30230, 57437, 60460, 114874, 229748, 287185, 574370, 1091303, 1148740, 2182606, 4365212, 5456515, 10913030, 21826060]

約数ペア:

[(1, 21826060), (2, 10913030), (4, 5456515), (5, 4365212), (10, 2182606), (19, 1148740), (20, 1091303), (38, 574370), (76, 287185), (95, 229748), (190, 114874), (361, 60460), (380, 57437), (722, 30230), (1444, 15115), (1805, 12092), (3023, 7220), (3610, 6046)]