21019519168

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{1789}}^1\times {\mathrm{10799}}^1$

素因数の和:12617

約数の個数: 56

約数和(自身を含む): 44192952000

約数和(自身を除く): 23173432832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 1789, 3578, 7156, 10799, 14312, 21598, 28624, 30413, 43196, 57248, 60826, 86392, 114496, 121652, 172784, 183583, 243304, 345568, 367166, 486608, 691136, 734332, 973216, 1468664, 1946432, 2937328, 5874656, 11749312, 19319411, 38638822, 77277644, 154555288, 309110576, 328429987, 618221152, 656859974, 1236442304, 1313719948, 2627439896, 5254879792, 10509759584, 21019519168]

約数ペア:

[(1, 21019519168), (2, 10509759584), (4, 5254879792), (8, 2627439896), (16, 1313719948), (17, 1236442304), (32, 656859974), (34, 618221152), (64, 328429987), (68, 309110576), (136, 154555288), (272, 77277644), (544, 38638822), (1088, 19319411), (1789, 11749312), (3578, 5874656), (7156, 2937328), (10799, 1946432), (14312, 1468664), (21598, 973216), (28624, 734332), (30413, 691136), (43196, 486608), (57248, 367166), (60826, 345568), (86392, 243304), (114496, 183583), (121652, 172784)]