21993228

素因数分解:

$2^2\times 3^3\times {\mathrm{203641}}^1$

素因数の和:203654

約数の個数: 24

約数和(自身を含む): 57019760

約数和(自身を除く): 35026532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 203641, 407282, 610923, 814564, 1221846, 1832769, 2443692, 3665538, 5498307, 7331076, 10996614, 21993228]

約数ペア:

[(1, 21993228), (2, 10996614), (3, 7331076), (4, 5498307), (6, 3665538), (9, 2443692), (12, 1832769), (18, 1221846), (27, 814564), (36, 610923), (54, 407282), (108, 203641)]