21965928

素因数分解:

$2^3\times 3^1\times {\mathrm{915247}}^1$

素因数の和:915256

約数の個数: 16

約数和(自身を含む): 54914880

約数和(自身を除く): 32948952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 915247, 1830494, 2745741, 3660988, 5491482, 7321976, 10982964, 21965928]

約数ペア:

[(1, 21965928), (2, 10982964), (3, 7321976), (4, 5491482), (6, 3660988), (8, 2745741), (12, 1830494), (24, 915247)]