21167768128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{322051}}^1$

素因数の和:322155

約数の個数: 56

約数和(自身を含む): 45808676480

約数和(自身を除く): 24640908352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 316, 416, 632, 832, 1027, 1264, 2054, 2528, 4108, 5056, 8216, 16432, 32864, 65728, 322051, 644102, 1288204, 2576408, 4186663, 5152816, 8373326, 10305632, 16746652, 20611264, 25442029, 33493304, 50884058, 66986608, 101768116, 133973216, 203536232, 267946432, 330746377, 407072464, 661492754, 814144928, 1322985508, 1628289856, 2645971016, 5291942032, 10583884064, 21167768128]

約数ペア:

[(1, 21167768128), (2, 10583884064), (4, 5291942032), (8, 2645971016), (13, 1628289856), (16, 1322985508), (26, 814144928), (32, 661492754), (52, 407072464), (64, 330746377), (79, 267946432), (104, 203536232), (158, 133973216), (208, 101768116), (316, 66986608), (416, 50884058), (632, 33493304), (832, 25442029), (1027, 20611264), (1264, 16746652), (2054, 10305632), (2528, 8373326), (4108, 5152816), (5056, 4186663), (8216, 2576408), (16432, 1288204), (32864, 644102), (65728, 322051)]