21575658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1697}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 46783296

約数和(自身を除く): 25207638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 1697, 2119, 3394, 4238, 5091, 6357, 10182, 12714, 22061, 44122, 66183, 132366, 276611, 553222, 829833, 1659666, 3595943, 7191886, 10787829, 21575658]

約数ペア:

[(1, 21575658), (2, 10787829), (3, 7191886), (6, 3595943), (13, 1659666), (26, 829833), (39, 553222), (78, 276611), (163, 132366), (326, 66183), (489, 44122), (978, 22061), (1697, 12714), (2119, 10182), (3394, 6357), (4238, 5091)]