21069932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 21077908

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 79, 92, 158, 223, 299, 316, 446, 598, 892, 1027, 1196, 1817, 2054, 2899, 3634, 4108, 5129, 5798, 7268, 10258, 11596, 17617, 20516, 23621, 35234, 47242, 66677, 70468, 94484, 133354, 229021, 266708, 405191, 458042, 810382, 916084, 1620764, 5267483, 10534966, 21069932]

約数ペア:

[(1, 21069932), (2, 10534966), (4, 5267483), (13, 1620764), (23, 916084), (26, 810382), (46, 458042), (52, 405191), (79, 266708), (92, 229021), (158, 133354), (223, 94484), (299, 70468), (316, 66677), (446, 47242), (598, 35234), (892, 23621), (1027, 20516), (1196, 17617), (1817, 11596), (2054, 10258), (2899, 7268), (3634, 5798), (4108, 5129)]