21105670852

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{52067}}^1$

素因数の和:52576

約数の個数: 48

約数和(自身を含む): 43667140608

約数和(自身を除く): 22561469756

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 467, 868, 934, 1868, 3269, 6538, 13076, 14477, 28954, 52067, 57908, 101339, 104134, 202678, 208268, 364469, 405356, 728938, 1457876, 1614077, 3228154, 6456308, 11298539, 22597078, 24315289, 45194156, 48630578, 97261156, 170207023, 340414046, 680828092, 753773959, 1507547918, 3015095836, 5276417713, 10552835426, 21105670852]

約数ペア:

[(1, 21105670852), (2, 10552835426), (4, 5276417713), (7, 3015095836), (14, 1507547918), (28, 753773959), (31, 680828092), (62, 340414046), (124, 170207023), (217, 97261156), (434, 48630578), (467, 45194156), (868, 24315289), (934, 22597078), (1868, 11298539), (3269, 6456308), (6538, 3228154), (13076, 1614077), (14477, 1457876), (28954, 728938), (52067, 405356), (57908, 364469), (101339, 208268), (104134, 202678)]