21498162

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 29178030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 881, 1162, 1743, 1762, 2643, 3486, 4067, 5286, 6167, 8134, 12201, 12334, 18501, 24402, 37002, 43169, 73123, 86338, 129507, 146246, 219369, 259014, 438738, 511861, 1023722, 1535583, 3071166, 3583027, 7166054, 10749081, 21498162]

約数ペア:

[(1, 21498162), (2, 10749081), (3, 7166054), (6, 3583027), (7, 3071166), (14, 1535583), (21, 1023722), (42, 511861), (49, 438738), (83, 259014), (98, 219369), (147, 146246), (166, 129507), (249, 86338), (294, 73123), (498, 43169), (581, 37002), (881, 24402), (1162, 18501), (1743, 12334), (1762, 12201), (2643, 8134), (3486, 6167), (4067, 5286)]