21357026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7699}}^1$

素因数の和:7793

約数の個数: 16

約数和(自身を含む): 34188000

約数和(自身を除く): 12830974

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7699, 15398, 146281, 292562, 562027, 1124054, 10678513, 21357026]

約数ペア:

[(1, 21357026), (2, 10678513), (19, 1124054), (38, 562027), (73, 292562), (146, 146281), (1387, 15398), (2774, 7699)]