21964124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 47943168

約数和(自身を除く): 25979044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 727, 1079, 1162, 1454, 2158, 2324, 2908, 4316, 5089, 7553, 9451, 10178, 15106, 18902, 20356, 30212, 37804, 60341, 66157, 120682, 132314, 241364, 264628, 422387, 784433, 844774, 1568866, 1689548, 3137732, 5491031, 10982062, 21964124]

約数ペア:

[(1, 21964124), (2, 10982062), (4, 5491031), (7, 3137732), (13, 1689548), (14, 1568866), (26, 844774), (28, 784433), (52, 422387), (83, 264628), (91, 241364), (166, 132314), (182, 120682), (332, 66157), (364, 60341), (581, 37804), (727, 30212), (1079, 20356), (1162, 18902), (1454, 15106), (2158, 10178), (2324, 9451), (2908, 7553), (4316, 5089)]