21996286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10709}}^1$

素因数の和:10803

約数の個数: 16

約数和(自身を含む): 35985600

約数和(自身を除く): 13989314

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10709, 21418, 139217, 278434, 846011, 1692022, 10998143, 21996286]

約数ペア:

[(1, 21996286), (2, 10998143), (13, 1692022), (26, 846011), (79, 278434), (158, 139217), (1027, 21418), (2054, 10709)]