21205056

素因数分解:

$2^6\times 3^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:811

約数の個数: 56

約数和(自身を含む): 56509920

約数和(自身を除く): 35304864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 179, 192, 358, 537, 617, 716, 1074, 1234, 1432, 1851, 2148, 2468, 2864, 3702, 4296, 4936, 5728, 7404, 8592, 9872, 11456, 14808, 17184, 19744, 29616, 34368, 39488, 59232, 110443, 118464, 220886, 331329, 441772, 662658, 883544, 1325316, 1767088, 2650632, 3534176, 5301264, 7068352, 10602528, 21205056]

約数ペア:

[(1, 21205056), (2, 10602528), (3, 7068352), (4, 5301264), (6, 3534176), (8, 2650632), (12, 1767088), (16, 1325316), (24, 883544), (32, 662658), (48, 441772), (64, 331329), (96, 220886), (179, 118464), (192, 110443), (358, 59232), (537, 39488), (617, 34368), (716, 29616), (1074, 19744), (1234, 17184), (1432, 14808), (1851, 11456), (2148, 9872), (2468, 8592), (2864, 7404), (3702, 5728), (4296, 4936)]