21763952

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{613}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 48422496

約数和(自身を除く): 26658544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 613, 634, 1226, 1268, 2219, 2452, 2536, 4291, 4438, 4904, 5072, 8582, 8876, 9808, 17164, 17752, 34328, 35504, 68656, 194321, 388642, 777284, 1360247, 1554568, 2720494, 3109136, 5440988, 10881976, 21763952]

約数ペア:

[(1, 21763952), (2, 10881976), (4, 5440988), (7, 3109136), (8, 2720494), (14, 1554568), (16, 1360247), (28, 777284), (56, 388642), (112, 194321), (317, 68656), (613, 35504), (634, 34328), (1226, 17752), (1268, 17164), (2219, 9808), (2452, 8876), (2536, 8582), (4291, 5072), (4438, 4904)]