21742048

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2351}}^1$

素因数の和:2395

約数の個数: 36

約数和(自身を含む): 45490032

約数和(自身を除く): 23747984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 2351, 4624, 4702, 9248, 9404, 18808, 37616, 39967, 75232, 79934, 159868, 319736, 639472, 679439, 1278944, 1358878, 2717756, 5435512, 10871024, 21742048]

約数ペア:

[(1, 21742048), (2, 10871024), (4, 5435512), (8, 2717756), (16, 1358878), (17, 1278944), (32, 679439), (34, 639472), (68, 319736), (136, 159868), (272, 79934), (289, 75232), (544, 39967), (578, 37616), (1156, 18808), (2312, 9404), (2351, 9248), (4624, 4702)]