21167607152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{642533}}^1$

素因数の和:642641

約数の個数: 40

約数和(自身を含む): 43024076640

約数和(自身を除く): 21856469488

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 1136, 2059, 4118, 8236, 16472, 32944, 642533, 1285066, 2570132, 5140264, 10280528, 18633457, 37266914, 45619843, 74533828, 91239686, 149067656, 182479372, 298135312, 364958744, 729917488, 1322975447, 2645950894, 5291901788, 10583803576, 21167607152]

約数ペア:

[(1, 21167607152), (2, 10583803576), (4, 5291901788), (8, 2645950894), (16, 1322975447), (29, 729917488), (58, 364958744), (71, 298135312), (116, 182479372), (142, 149067656), (232, 91239686), (284, 74533828), (464, 45619843), (568, 37266914), (1136, 18633457), (2059, 10280528), (4118, 5140264), (8236, 2570132), (16472, 1285066), (32944, 642533)]