21356195

素因数分解:

$5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{967}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 29365248

約数和(自身を除く): 8009053

約数列:

[1, 5, 7, 35, 631, 967, 3155, 4417, 4835, 6769, 22085, 33845, 610177, 3050885, 4271239, 21356195]

約数ペア:

[(1, 21356195), (5, 4271239), (7, 3050885), (35, 610177), (631, 33845), (967, 22085), (3155, 6769), (4417, 4835)]