21200900404

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{2473}}^1\times {\mathrm{6761}}^1$

素因数の和:9555

約数の個数: 24

約数和(自身を含む): 37239172488

約数和(自身を除く): 16038272084

約数列:

[1, 2, 4, 317, 634, 1268, 2473, 4946, 6761, 9892, 13522, 27044, 783941, 1567882, 2143237, 3135764, 4286474, 8572948, 16719953, 33439906, 66879812, 5300225101, 10600450202, 21200900404]

約数ペア:

[(1, 21200900404), (2, 10600450202), (4, 5300225101), (317, 66879812), (634, 33439906), (1268, 16719953), (2473, 8572948), (4946, 4286474), (6761, 3135764), (9892, 2143237), (13522, 1567882), (27044, 783941)]