21993768

素因数分解:

$2^3\times 3^4\times {\mathrm{33941}}^1$

素因数の和:33959

約数の個数: 40

約数和(自身を含む): 61604730

約数和(自身を除く): 39610962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33941, 67882, 101823, 135764, 203646, 271528, 305469, 407292, 610938, 814584, 916407, 1221876, 1832814, 2443752, 2749221, 3665628, 5498442, 7331256, 10996884, 21993768]

約数ペア:

[(1, 21993768), (2, 10996884), (3, 7331256), (4, 5498442), (6, 3665628), (8, 2749221), (9, 2443752), (12, 1832814), (18, 1221876), (24, 916407), (27, 814584), (36, 610938), (54, 407292), (72, 305469), (81, 271528), (108, 203646), (162, 135764), (216, 101823), (324, 67882), (648, 33941)]