21959589028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3946727}}^1$

素因数の和:3946851

約数の個数: 24

約数和(自身を含む): 41772169152

約数和(自身を除く): 19812580124

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 3946727, 7893454, 15786908, 51307451, 102614902, 205229804, 422299789, 844599578, 1689199156, 5489897257, 10979794514, 21959589028]

約数ペア:

[(1, 21959589028), (2, 10979794514), (4, 5489897257), (13, 1689199156), (26, 844599578), (52, 422299789), (107, 205229804), (214, 102614902), (428, 51307451), (1391, 15786908), (2782, 7893454), (5564, 3946727)]