21135103617

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1\times {\mathrm{811}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 28653206400

約数和(自身を除く): 7518102783

約数列:

[1, 3, 149, 173, 337, 447, 519, 811, 1011, 2433, 25777, 50213, 58301, 77331, 120839, 140303, 150639, 174903, 273307, 362517, 420909, 819921, 8686849, 20905147, 26060547, 40722743, 47282111, 62715441, 122168229, 141846333, 7045034539, 21135103617]

約数ペア:

[(1, 21135103617), (3, 7045034539), (149, 141846333), (173, 122168229), (337, 62715441), (447, 47282111), (519, 40722743), (811, 26060547), (1011, 20905147), (2433, 8686849), (25777, 819921), (50213, 420909), (58301, 362517), (77331, 273307), (120839, 174903), (140303, 150639)]