21696556

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 26687444

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2399, 4522, 4798, 9044, 9596, 16793, 33586, 40783, 45581, 67172, 81566, 91162, 163132, 182324, 285481, 319067, 570962, 638134, 774877, 1141924, 1276268, 1549754, 3099508, 5424139, 10848278, 21696556]

約数ペア:

[(1, 21696556), (2, 10848278), (4, 5424139), (7, 3099508), (14, 1549754), (17, 1276268), (19, 1141924), (28, 774877), (34, 638134), (38, 570962), (68, 319067), (76, 285481), (119, 182324), (133, 163132), (238, 91162), (266, 81566), (323, 67172), (476, 45581), (532, 40783), (646, 33586), (1292, 16793), (2261, 9596), (2399, 9044), (4522, 4798)]