21764766

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2784

約数の個数: 32

約数和(自身を含む): 46483200

約数和(自身を除く): 24718434

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2689, 2698, 4047, 5378, 8067, 8094, 16134, 51091, 102182, 153273, 190919, 306546, 381838, 572757, 1145514, 3627461, 7254922, 10882383, 21764766]

約数ペア:

[(1, 21764766), (2, 10882383), (3, 7254922), (6, 3627461), (19, 1145514), (38, 572757), (57, 381838), (71, 306546), (114, 190919), (142, 153273), (213, 102182), (426, 51091), (1349, 16134), (2689, 8094), (2698, 8067), (4047, 5378)]