21616768

素因数分解:

$2^7\times {\mathrm{281}}^1\times {\mathrm{601}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 43289820

約数和(自身を除く): 21673052

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 281, 562, 601, 1124, 1202, 2248, 2404, 4496, 4808, 8992, 9616, 17984, 19232, 35968, 38464, 76928, 168881, 337762, 675524, 1351048, 2702096, 5404192, 10808384, 21616768]

約数ペア:

[(1, 21616768), (2, 10808384), (4, 5404192), (8, 2702096), (16, 1351048), (32, 675524), (64, 337762), (128, 168881), (281, 76928), (562, 38464), (601, 35968), (1124, 19232), (1202, 17984), (2248, 9616), (2404, 8992), (4496, 4808)]