21177366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17387}}^1$

素因数の和:17428

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 28900074

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17387, 34774, 52161, 104322, 121709, 243418, 365127, 504223, 730254, 1008446, 1512669, 3025338, 3529561, 7059122, 10588683, 21177366]

約数ペア:

[(1, 21177366), (2, 10588683), (3, 7059122), (6, 3529561), (7, 3025338), (14, 1512669), (21, 1008446), (29, 730254), (42, 504223), (58, 365127), (87, 243418), (174, 121709), (203, 104322), (406, 52161), (609, 34774), (1218, 17387)]