21072344

素因数分解:

$2^3\times {\mathrm{1319}}^1\times {\mathrm{1997}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 39560400

約数和(自身を除く): 18488056

約数列:

[1, 2, 4, 8, 1319, 1997, 2638, 3994, 5276, 7988, 10552, 15976, 2634043, 5268086, 10536172, 21072344]

約数ペア:

[(1, 21072344), (2, 10536172), (4, 5268086), (8, 2634043), (1319, 15976), (1997, 10552), (2638, 7988), (3994, 5276)]