21825678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 51652944

約数和(自身を除く): 29827266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 366, 427, 854, 1217, 1281, 2434, 2562, 2989, 3651, 5978, 7302, 8519, 8967, 17038, 17934, 25557, 51114, 59633, 74237, 119266, 148474, 178899, 222711, 357798, 445422, 519659, 1039318, 1558977, 3117954, 3637613, 7275226, 10912839, 21825678]

約数ペア:

[(1, 21825678), (2, 10912839), (3, 7275226), (6, 3637613), (7, 3117954), (14, 1558977), (21, 1039318), (42, 519659), (49, 445422), (61, 357798), (98, 222711), (122, 178899), (147, 148474), (183, 119266), (294, 74237), (366, 59633), (427, 51114), (854, 25557), (1217, 17934), (1281, 17038), (2434, 8967), (2562, 8519), (2989, 7302), (3651, 5978)]