21440704

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8171}}^1$

素因数の和:8224

約数の個数: 28

約数和(自身を含む): 43589448

約数和(自身を除く): 22148744

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8171, 16342, 32684, 65368, 130736, 261472, 335011, 522944, 670022, 1340044, 2680088, 5360176, 10720352, 21440704]

約数ペア:

[(1, 21440704), (2, 10720352), (4, 5360176), (8, 2680088), (16, 1340044), (32, 670022), (41, 522944), (64, 335011), (82, 261472), (164, 130736), (328, 65368), (656, 32684), (1312, 16342), (2624, 8171)]