21504274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12373}}^1$

素因数の和:12465

約数の個数: 16

約数和(自身を含む): 35637120

約数和(自身を除く): 14132846

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12373, 24746, 136103, 272206, 977467, 1954934, 10752137, 21504274]

約数ペア:

[(1, 21504274), (2, 10752137), (11, 1954934), (22, 977467), (79, 272206), (158, 136103), (869, 24746), (1738, 12373)]