21863114

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:291

約数の個数: 36

約数和(自身を含む): 41399442

約数和(自身を除く): 19536328

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 131, 182, 262, 637, 917, 1274, 1703, 1834, 3406, 6419, 11921, 12838, 17161, 23842, 34322, 83447, 120127, 166894, 223093, 240254, 446186, 840889, 1561651, 1681778, 3123302, 10931557, 21863114]

約数ペア:

[(1, 21863114), (2, 10931557), (7, 3123302), (13, 1681778), (14, 1561651), (26, 840889), (49, 446186), (91, 240254), (98, 223093), (131, 166894), (182, 120127), (262, 83447), (637, 34322), (917, 23842), (1274, 17161), (1703, 12838), (1834, 11921), (3406, 6419)]