21951232

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4513}}^1$

素因数の和:4548

約数の個数: 36

約数和(自身を含む): 46133080

約数和(自身を除く): 24181848

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4513, 4864, 9026, 18052, 36104, 72208, 85747, 144416, 171494, 288832, 342988, 577664, 685976, 1155328, 1371952, 2743904, 5487808, 10975616, 21951232]

約数ペア:

[(1, 21951232), (2, 10975616), (4, 5487808), (8, 2743904), (16, 1371952), (19, 1155328), (32, 685976), (38, 577664), (64, 342988), (76, 288832), (128, 171494), (152, 144416), (256, 85747), (304, 72208), (608, 36104), (1216, 18052), (2432, 9026), (4513, 4864)]