21726978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3061}}^1$

素因数の和:3099

約数の個数: 48

約数和(自身を含む): 53793216

約数和(自身を除く): 32066238

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 3061, 3549, 6122, 7098, 9183, 18366, 21427, 39793, 42854, 64281, 79586, 119379, 128562, 238758, 278551, 517309, 557102, 835653, 1034618, 1551927, 1671306, 3103854, 3621163, 7242326, 10863489, 21726978]

約数ペア:

[(1, 21726978), (2, 10863489), (3, 7242326), (6, 3621163), (7, 3103854), (13, 1671306), (14, 1551927), (21, 1034618), (26, 835653), (39, 557102), (42, 517309), (78, 278551), (91, 238758), (169, 128562), (182, 119379), (273, 79586), (338, 64281), (507, 42854), (546, 39793), (1014, 21427), (1183, 18366), (2366, 9183), (3061, 7098), (3549, 6122)]