21105984

素因数分解:

$2^6\times 3^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3023

約数の個数: 56

約数和(自身を含む): 57371488

約数和(自身を除く): 36265504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 148, 192, 222, 296, 444, 592, 888, 1184, 1776, 2368, 2971, 3552, 5942, 7104, 8913, 11884, 17826, 23768, 35652, 47536, 71304, 95072, 109927, 142608, 190144, 219854, 285216, 329781, 439708, 570432, 659562, 879416, 1319124, 1758832, 2638248, 3517664, 5276496, 7035328, 10552992, 21105984]

約数ペア:

[(1, 21105984), (2, 10552992), (3, 7035328), (4, 5276496), (6, 3517664), (8, 2638248), (12, 1758832), (16, 1319124), (24, 879416), (32, 659562), (37, 570432), (48, 439708), (64, 329781), (74, 285216), (96, 219854), (111, 190144), (148, 142608), (192, 109927), (222, 95072), (296, 71304), (444, 47536), (592, 35652), (888, 23768), (1184, 17826), (1776, 11884), (2368, 8913), (2971, 7104), (3552, 5942)]