21814030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1109}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 45074880

約数和(自身を除く): 23260850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 1109, 1405, 1967, 2218, 2810, 3934, 5545, 7763, 9835, 11090, 15526, 19670, 38815, 77630, 311629, 623258, 1558145, 2181403, 3116290, 4362806, 10907015, 21814030]

約数ペア:

[(1, 21814030), (2, 10907015), (5, 4362806), (7, 3116290), (10, 2181403), (14, 1558145), (35, 623258), (70, 311629), (281, 77630), (562, 38815), (1109, 19670), (1405, 15526), (1967, 11090), (2218, 9835), (2810, 7763), (3934, 5545)]