21508838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2063}}^1$

素因数の和:2479

約数の個数: 16

約数和(自身を含む): 34848576

約数和(自身を除く): 13339738

約数列:

[1, 2, 13, 26, 401, 802, 2063, 4126, 5213, 10426, 26819, 53638, 827263, 1654526, 10754419, 21508838]

約数ペア:

[(1, 21508838), (2, 10754419), (13, 1654526), (26, 827263), (401, 53638), (802, 26819), (2063, 10426), (4126, 5213)]