21273224

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10267}}^1$

素因数の和:10317

約数の個数: 32

約数和(自身を含む): 46822080

約数和(自身を除く): 25548856

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10267, 20534, 41068, 71869, 82136, 143738, 287476, 379879, 574952, 759758, 1519516, 2659153, 3039032, 5318306, 10636612, 21273224]

約数ペア:

[(1, 21273224), (2, 10636612), (4, 5318306), (7, 3039032), (8, 2659153), (14, 1519516), (28, 759758), (37, 574952), (56, 379879), (74, 287476), (148, 143738), (259, 82136), (296, 71869), (518, 41068), (1036, 20534), (2072, 10267)]