21944195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 12384253

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2837, 7735, 14185, 19859, 36881, 48229, 99295, 184405, 241145, 258167, 337603, 626977, 1290835, 1688015, 3134885, 4388839, 21944195]

約数ペア:

[(1, 21944195), (5, 4388839), (7, 3134885), (13, 1688015), (17, 1290835), (35, 626977), (65, 337603), (85, 258167), (91, 241145), (119, 184405), (221, 99295), (455, 48229), (595, 36881), (1105, 19859), (1547, 14185), (2837, 7735)]