21457114

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 39442176

約数和(自身を除く): 17985062

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 1801, 3602, 5957, 11914, 12607, 25214, 41423, 66637, 82846, 133274, 289961, 466459, 579922, 932918, 1532651, 3065302, 10728557, 21457114]

約数ペア:

[(1, 21457114), (2, 10728557), (7, 3065302), (14, 1532651), (23, 932918), (37, 579922), (46, 466459), (74, 289961), (161, 133274), (259, 82846), (322, 66637), (518, 41423), (851, 25214), (1702, 12607), (1801, 11914), (3602, 5957)]