21464590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 22910450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1283, 1673, 2390, 2566, 3346, 6415, 8365, 8981, 12830, 16730, 17962, 44905, 89810, 306637, 613274, 1533185, 2146459, 3066370, 4292918, 10732295, 21464590]

約数ペア:

[(1, 21464590), (2, 10732295), (5, 4292918), (7, 3066370), (10, 2146459), (14, 1533185), (35, 613274), (70, 306637), (239, 89810), (478, 44905), (1195, 17962), (1283, 16730), (1673, 12830), (2390, 8981), (2566, 8365), (3346, 6415)]