21311586

素因数分解:

$2^1\times 3^6\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 56

約数和(自身を含む): 49106304

約数和(自身を除く): 27794718

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 243, 282, 311, 423, 486, 622, 729, 846, 933, 1269, 1458, 1866, 2538, 2799, 3807, 5598, 7614, 8397, 11421, 14617, 16794, 22842, 25191, 29234, 34263, 43851, 50382, 68526, 75573, 87702, 131553, 151146, 226719, 263106, 394659, 453438, 789318, 1183977, 2367954, 3551931, 7103862, 10655793, 21311586]

約数ペア:

[(1, 21311586), (2, 10655793), (3, 7103862), (6, 3551931), (9, 2367954), (18, 1183977), (27, 789318), (47, 453438), (54, 394659), (81, 263106), (94, 226719), (141, 151146), (162, 131553), (243, 87702), (282, 75573), (311, 68526), (423, 50382), (486, 43851), (622, 34263), (729, 29234), (846, 25191), (933, 22842), (1269, 16794), (1458, 14617), (1866, 11421), (2538, 8397), (2799, 7614), (3807, 5598)]