21485926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 44167680

約数和(自身を除く): 22681754

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 283, 319, 374, 406, 493, 566, 638, 986, 1309, 1981, 2233, 2618, 3113, 3451, 3962, 4466, 4811, 5423, 6226, 6902, 8207, 9622, 10846, 16414, 21791, 33677, 37961, 43582, 52921, 57449, 67354, 75922, 90277, 105842, 114898, 139519, 180554, 279038, 370447, 631939, 740894, 976633, 1263878, 1534709, 1953266, 3069418, 10742963, 21485926]

約数ペア:

[(1, 21485926), (2, 10742963), (7, 3069418), (11, 1953266), (14, 1534709), (17, 1263878), (22, 976633), (29, 740894), (34, 631939), (58, 370447), (77, 279038), (119, 180554), (154, 139519), (187, 114898), (203, 105842), (238, 90277), (283, 75922), (319, 67354), (374, 57449), (406, 52921), (493, 43582), (566, 37961), (638, 33677), (986, 21791), (1309, 16414), (1981, 10846), (2233, 9622), (2618, 8207), (3113, 6902), (3451, 6226), (3962, 5423), (4466, 4811)]