21731166

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2598

約数の個数: 40

約数和(自身を含む): 49632264

約数和(自身を除く): 27901098

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1431, 2531, 2862, 4293, 5062, 7593, 8586, 15186, 22779, 45558, 68337, 134143, 136674, 205011, 268286, 402429, 410022, 804858, 1207287, 2414574, 3621861, 7243722, 10865583, 21731166]

約数ペア:

[(1, 21731166), (2, 10865583), (3, 7243722), (6, 3621861), (9, 2414574), (18, 1207287), (27, 804858), (53, 410022), (54, 402429), (81, 268286), (106, 205011), (159, 136674), (162, 134143), (318, 68337), (477, 45558), (954, 22779), (1431, 15186), (2531, 8586), (2862, 7593), (4293, 5062)]