21154044

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 50859648

約数和(自身を除く): 29705604

約数列:

[1, 2, 3, 4, 6, 12, 67, 83, 134, 166, 201, 249, 268, 317, 332, 402, 498, 634, 804, 951, 996, 1268, 1902, 3804, 5561, 11122, 16683, 21239, 22244, 26311, 33366, 42478, 52622, 63717, 66732, 78933, 84956, 105244, 127434, 157866, 254868, 315732, 1762837, 3525674, 5288511, 7051348, 10577022, 21154044]

約数ペア:

[(1, 21154044), (2, 10577022), (3, 7051348), (4, 5288511), (6, 3525674), (12, 1762837), (67, 315732), (83, 254868), (134, 157866), (166, 127434), (201, 105244), (249, 84956), (268, 78933), (317, 66732), (332, 63717), (402, 52622), (498, 42478), (634, 33366), (804, 26311), (951, 22244), (996, 21239), (1268, 16683), (1902, 11122), (3804, 5561)]