21276434

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2389}}^1$

素因数の和:2525

約数の個数: 16

約数和(自身を含む): 32895960

約数和(自身を除く): 11619526

約数列:

[1, 2, 61, 73, 122, 146, 2389, 4453, 4778, 8906, 145729, 174397, 291458, 348794, 10638217, 21276434]

約数ペア:

[(1, 21276434), (2, 10638217), (61, 348794), (73, 291458), (122, 174397), (146, 145729), (2389, 8906), (4453, 4778)]