21593468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1926

約数の個数: 36

約数和(自身を含む): 43349040

約数和(自身を除く): 21755572

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1879, 2873, 3758, 5746, 7516, 11492, 24427, 31943, 48854, 63886, 97708, 127772, 317551, 415259, 635102, 830518, 1270204, 1661036, 5398367, 10796734, 21593468]

約数ペア:

[(1, 21593468), (2, 10796734), (4, 5398367), (13, 1661036), (17, 1270204), (26, 830518), (34, 635102), (52, 415259), (68, 317551), (169, 127772), (221, 97708), (338, 63886), (442, 48854), (676, 31943), (884, 24427), (1879, 11492), (2873, 7516), (3758, 5746)]