21402954

素因数分解:

$2^1\times 3^5\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 27763254

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 243, 282, 423, 486, 846, 937, 1269, 1874, 2538, 2811, 3807, 5622, 7614, 8433, 11421, 16866, 22842, 25299, 44039, 50598, 75897, 88078, 132117, 151794, 227691, 264234, 396351, 455382, 792702, 1189053, 2378106, 3567159, 7134318, 10701477, 21402954]

約数ペア:

[(1, 21402954), (2, 10701477), (3, 7134318), (6, 3567159), (9, 2378106), (18, 1189053), (27, 792702), (47, 455382), (54, 396351), (81, 264234), (94, 227691), (141, 151794), (162, 132117), (243, 88078), (282, 75897), (423, 50598), (486, 44039), (846, 25299), (937, 22842), (1269, 16866), (1874, 11421), (2538, 8433), (2811, 7614), (3807, 5622)]