21551323684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1\times {\mathrm{3271}}^1$

素因数の和:4516

約数の個数: 48

約数和(自身を含む): 41494352256

約数和(自身を除く): 19943028572

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1093, 1507, 2186, 3014, 3271, 4372, 6028, 6542, 12023, 13084, 24046, 35981, 48092, 71962, 143924, 149741, 299482, 448127, 598964, 896254, 1647151, 1792508, 3294302, 3575203, 4929397, 6588604, 7150406, 9858794, 14300812, 19717588, 39327233, 78654466, 157308932, 489802811, 979605622, 1959211244, 5387830921, 10775661842, 21551323684]

約数ペア:

[(1, 21551323684), (2, 10775661842), (4, 5387830921), (11, 1959211244), (22, 979605622), (44, 489802811), (137, 157308932), (274, 78654466), (548, 39327233), (1093, 19717588), (1507, 14300812), (2186, 9858794), (3014, 7150406), (3271, 6588604), (4372, 4929397), (6028, 3575203), (6542, 3294302), (12023, 1792508), (13084, 1647151), (24046, 896254), (35981, 598964), (48092, 448127), (71962, 299482), (143924, 149741)]