21790292336

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1657}}^1\times {\mathrm{26513}}^1$

素因数の和:28209

約数の個数: 40

約数和(自身を含む): 43608530304

約数和(自身を除く): 21818237968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1657, 3314, 6628, 13256, 26512, 26513, 51367, 53026, 102734, 106052, 205468, 212104, 410936, 424208, 821872, 821903, 1643806, 3287612, 6575224, 13150448, 43932041, 87864082, 175728164, 351456328, 702912656, 1361893271, 2723786542, 5447573084, 10895146168, 21790292336]

約数ペア:

[(1, 21790292336), (2, 10895146168), (4, 5447573084), (8, 2723786542), (16, 1361893271), (31, 702912656), (62, 351456328), (124, 175728164), (248, 87864082), (496, 43932041), (1657, 13150448), (3314, 6575224), (6628, 3287612), (13256, 1643806), (26512, 821903), (26513, 821872), (51367, 424208), (53026, 410936), (102734, 212104), (106052, 205468)]