21965372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3530

約数の個数: 36

約数和(自身を含む): 45514728

約数和(自身を除く): 23549356

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3491, 6292, 6982, 13964, 38401, 45383, 76802, 90766, 153604, 181532, 422411, 499213, 844822, 998426, 1689644, 1996852, 5491343, 10982686, 21965372]

約数ペア:

[(1, 21965372), (2, 10982686), (4, 5491343), (11, 1996852), (13, 1689644), (22, 998426), (26, 844822), (44, 499213), (52, 422411), (121, 181532), (143, 153604), (242, 90766), (286, 76802), (484, 45383), (572, 38401), (1573, 13964), (3146, 6982), (3491, 6292)]