21504636

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2399}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 34943364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2399, 2988, 4482, 4798, 7197, 8964, 9596, 14394, 21591, 28788, 43182, 64773, 86364, 129546, 199117, 259092, 398234, 597351, 796468, 1194702, 1792053, 2389404, 3584106, 5376159, 7168212, 10752318, 21504636]

約数ペア:

[(1, 21504636), (2, 10752318), (3, 7168212), (4, 5376159), (6, 3584106), (9, 2389404), (12, 1792053), (18, 1194702), (27, 796468), (36, 597351), (54, 398234), (83, 259092), (108, 199117), (166, 129546), (249, 86364), (332, 64773), (498, 43182), (747, 28788), (996, 21591), (1494, 14394), (2241, 9596), (2399, 8964), (2988, 7197), (4482, 4798)]