21546903712

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{56531}}^1$

素因数の和:56861

約数の個数: 48

約数和(自身を含む): 43564463712

約数和(自身を除く): 22017560000

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 277, 344, 554, 688, 1108, 1376, 2216, 4432, 8864, 11911, 23822, 47644, 56531, 95288, 113062, 190576, 226124, 381152, 452248, 904496, 1808992, 2430833, 4861666, 9723332, 15659087, 19446664, 31318174, 38893328, 62636348, 77786656, 125272696, 250545392, 501090784, 673340741, 1346681482, 2693362964, 5386725928, 10773451856, 21546903712]

約数ペア:

[(1, 21546903712), (2, 10773451856), (4, 5386725928), (8, 2693362964), (16, 1346681482), (32, 673340741), (43, 501090784), (86, 250545392), (172, 125272696), (277, 77786656), (344, 62636348), (554, 38893328), (688, 31318174), (1108, 19446664), (1376, 15659087), (2216, 9723332), (4432, 4861666), (8864, 2430833), (11911, 1808992), (23822, 904496), (47644, 452248), (56531, 381152), (95288, 226124), (113062, 190576)]