21422704

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36187}}^1$

素因数の和:36232

約数の個数: 20

約数和(自身を含む): 42629464

約数和(自身を除く): 21206760

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36187, 72374, 144748, 289496, 578992, 1338919, 2677838, 5355676, 10711352, 21422704]

約数ペア:

[(1, 21422704), (2, 10711352), (4, 5355676), (8, 2677838), (16, 1338919), (37, 578992), (74, 289496), (148, 144748), (296, 72374), (592, 36187)]