2117760.00000000

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 113356800

約数和(自身を除く): 43416573

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 409, 479, 1227, 1437, 2863, 3353, 6953, 8143, 8589, 10059, 20859, 24429, 48671, 57001, 146013, 171003, 195911, 587733, 1371377, 3330487, 4114131, 9991461, 23313409, 69940227]

約数ペア:

[(1, 69940227), (3, 23313409), (7, 9991461), (17, 4114131), (21, 3330487), (51, 1371377), (119, 587733), (357, 195911), (409, 171003), (479, 146013), (1227, 57001), (1437, 48671), (2863, 24429), (3353, 20859), (6953, 10059), (8143, 8589)]