21971404078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49709059}}^1$

素因数の和:49709091

約数の個数: 16

約数和(自身を含む): 37580049360

約数和(自身を除く): 15608645282

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49709059, 99418118, 646217767, 845054003, 1292435534, 1690108006, 10985702039, 21971404078]

約数ペア:

[(1, 21971404078), (2, 10985702039), (13, 1690108006), (17, 1292435534), (26, 845054003), (34, 646217767), (221, 99418118), (442, 49709059)]