21791414

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1$

素因数の和:1435

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 11697226

約数列:

[1, 2, 59, 118, 151, 302, 1223, 2446, 8909, 17818, 72157, 144314, 184673, 369346, 10895707, 21791414]

約数ペア:

[(1, 21791414), (2, 10895707), (59, 369346), (118, 184673), (151, 144314), (302, 72157), (1223, 17818), (2446, 8909)]