21641516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{709}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 40913040

約数和(自身を除く): 19271524

約数列:

[1, 2, 4, 13, 26, 52, 587, 709, 1174, 1418, 2348, 2836, 7631, 9217, 15262, 18434, 30524, 36868, 416183, 832366, 1664732, 5410379, 10820758, 21641516]

約数ペア:

[(1, 21641516), (2, 10820758), (4, 5410379), (13, 1664732), (26, 832366), (52, 416183), (587, 36868), (709, 30524), (1174, 18434), (1418, 15262), (2348, 9217), (2836, 7631)]