21508312

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16699}}^1$

素因数の和:16735

約数の個数: 32

約数和(自身を含む): 48096000

約数和(自身を除く): 26587688

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16699, 33398, 66796, 116893, 133592, 233786, 384077, 467572, 768154, 935144, 1536308, 2688539, 3072616, 5377078, 10754156, 21508312]

約数ペア:

[(1, 21508312), (2, 10754156), (4, 5377078), (7, 3072616), (8, 2688539), (14, 1536308), (23, 935144), (28, 768154), (46, 467572), (56, 384077), (92, 233786), (161, 133592), (184, 116893), (322, 66796), (644, 33398), (1288, 16699)]