21379138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12301}}^1$

素因数の和:12393

約数の個数: 16

約数和(自身を含む): 35429760

約数和(自身を除く): 14050622

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12301, 24602, 135311, 270622, 971779, 1943558, 10689569, 21379138]

約数ペア:

[(1, 21379138), (2, 10689569), (11, 1943558), (22, 971779), (79, 270622), (158, 135311), (869, 24602), (1738, 12301)]