21938336

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2701

約数の個数: 48

約数和(自身を含む): 50714496

約数和(自身を除く): 28776160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2647, 4144, 5294, 8288, 10588, 18529, 21176, 37058, 42352, 74116, 84704, 97939, 148232, 195878, 296464, 391756, 592928, 685573, 783512, 1371146, 1567024, 2742292, 3134048, 5484584, 10969168, 21938336]

約数ペア:

[(1, 21938336), (2, 10969168), (4, 5484584), (7, 3134048), (8, 2742292), (14, 1567024), (16, 1371146), (28, 783512), (32, 685573), (37, 592928), (56, 391756), (74, 296464), (112, 195878), (148, 148232), (224, 97939), (259, 84704), (296, 74116), (518, 42352), (592, 37058), (1036, 21176), (1184, 18529), (2072, 10588), (2647, 8288), (4144, 5294)]