21124411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1093}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 26466048

約数和(自身を除く): 5341637

約数列:

[1, 7, 11, 77, 251, 1093, 1757, 2761, 7651, 12023, 19327, 84161, 274343, 1920401, 3017773, 21124411]

約数ペア:

[(1, 21124411), (7, 3017773), (11, 1920401), (77, 274343), (251, 84161), (1093, 19327), (1757, 12023), (2761, 7651)]