21616384

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4967}}^1$

素因数の和:5000

約数の個数: 36

約数和(自身を含む): 45695664

約数和(自身を除く): 24079280

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4967, 9934, 19868, 39736, 79472, 84439, 158944, 168878, 317888, 337756, 635776, 675512, 1271552, 1351024, 2702048, 5404096, 10808192, 21616384]

約数ペア:

[(1, 21616384), (2, 10808192), (4, 5404096), (8, 2702048), (16, 1351024), (17, 1271552), (32, 675512), (34, 635776), (64, 337756), (68, 317888), (128, 168878), (136, 158944), (256, 84439), (272, 79472), (544, 39736), (1088, 19868), (2176, 9934), (4352, 4967)]