21985024

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 44244424

約数和(自身を除く): 22259400

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 547, 628, 1094, 1256, 2188, 2512, 4376, 5024, 8752, 10048, 17504, 20096, 35008, 40192, 70016, 85879, 140032, 171758, 343516, 687032, 1374064, 2748128, 5496256, 10992512, 21985024]

約数ペア:

[(1, 21985024), (2, 10992512), (4, 5496256), (8, 2748128), (16, 1374064), (32, 687032), (64, 343516), (128, 171758), (157, 140032), (256, 85879), (314, 70016), (547, 40192), (628, 35008), (1094, 20096), (1256, 17504), (2188, 10048), (2512, 8752), (4376, 5024)]