21446418

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 53049600

約数和(自身を除く): 31603182

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 343, 357, 613, 686, 714, 833, 1029, 1226, 1666, 1839, 2058, 2499, 3678, 4291, 4998, 5831, 8582, 10421, 11662, 12873, 17493, 20842, 25746, 30037, 31263, 34986, 60074, 62526, 72947, 90111, 145894, 180222, 210259, 218841, 420518, 437682, 510629, 630777, 1021258, 1261554, 1531887, 3063774, 3574403, 7148806, 10723209, 21446418]

約数ペア:

[(1, 21446418), (2, 10723209), (3, 7148806), (6, 3574403), (7, 3063774), (14, 1531887), (17, 1261554), (21, 1021258), (34, 630777), (42, 510629), (49, 437682), (51, 420518), (98, 218841), (102, 210259), (119, 180222), (147, 145894), (238, 90111), (294, 72947), (343, 62526), (357, 60074), (613, 34986), (686, 31263), (714, 30037), (833, 25746), (1029, 20842), (1226, 17493), (1666, 12873), (1839, 11662), (2058, 10421), (2499, 8582), (3678, 5831), (4291, 4998)]