21814209011

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{4507}}^1$

素因数の和:4768

約数の個数: 32

約数和(自身を含む): 25879526400

約数和(自身を除く): 4065317389

約数列:

[1, 7, 49, 103, 137, 343, 721, 959, 4507, 5047, 6713, 14111, 31549, 35329, 46991, 98777, 220843, 464221, 617459, 691439, 1545901, 3249547, 4322213, 4840073, 22746829, 30255491, 63598277, 159227803, 211788437, 445187939, 3116315573, 21814209011]

約数ペア:

[(1, 21814209011), (7, 3116315573), (49, 445187939), (103, 211788437), (137, 159227803), (343, 63598277), (721, 30255491), (959, 22746829), (4507, 4840073), (5047, 4322213), (6713, 3249547), (14111, 1545901), (31549, 691439), (35329, 617459), (46991, 464221), (98777, 220843)]