21537103688

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{401}}^1\times {\mathrm{48299}}^1$

素因数の和:48845

約数の個数: 32

約数和(自身を含む): 40774860000

約数和(自身を除く): 19237756312

約数列:

[1, 2, 4, 8, 139, 278, 401, 556, 802, 1112, 1604, 3208, 48299, 55739, 96598, 111478, 193196, 222956, 386392, 445912, 6713561, 13427122, 19367899, 26854244, 38735798, 53708488, 77471596, 154943192, 2692137961, 5384275922, 10768551844, 21537103688]

約数ペア:

[(1, 21537103688), (2, 10768551844), (4, 5384275922), (8, 2692137961), (139, 154943192), (278, 77471596), (401, 53708488), (556, 38735798), (802, 26854244), (1112, 19367899), (1604, 13427122), (3208, 6713561), (48299, 445912), (55739, 386392), (96598, 222956), (111478, 193196)]