21311232

素因数分解:

$2^8\times 3^1\times {\mathrm{27749}}^1$

素因数の和:27768

約数の個数: 36

約数和(自身を含む): 56721000

約数和(自身を除く): 35409768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27749, 55498, 83247, 110996, 166494, 221992, 332988, 443984, 665976, 887968, 1331952, 1775936, 2663904, 3551872, 5327808, 7103744, 10655616, 21311232]

約数ペア:

[(1, 21311232), (2, 10655616), (3, 7103744), (4, 5327808), (6, 3551872), (8, 2663904), (12, 1775936), (16, 1331952), (24, 887968), (32, 665976), (48, 443984), (64, 332988), (96, 221992), (128, 166494), (192, 110996), (256, 83247), (384, 55498), (768, 27749)]