21566418688

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4955519}}^1$

素因数の和:4955552

約数の個数: 36

約数和(自身を含む): 45580872960

約数和(自身を除く): 24014454272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4955519, 9911038, 19822076, 39644152, 79288304, 84243823, 158576608, 168487646, 317153216, 336975292, 634306432, 673950584, 1268612864, 1347901168, 2695802336, 5391604672, 10783209344, 21566418688]

約数ペア:

[(1, 21566418688), (2, 10783209344), (4, 5391604672), (8, 2695802336), (16, 1347901168), (17, 1268612864), (32, 673950584), (34, 634306432), (64, 336975292), (68, 317153216), (128, 168487646), (136, 158576608), (256, 84243823), (272, 79288304), (544, 39644152), (1088, 19822076), (2176, 9911038), (4352, 4955519)]