21441791

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 3625729

約数列:

[1, 7, 89, 127, 271, 623, 889, 1897, 11303, 24119, 34417, 79121, 168833, 240919, 3063113, 21441791]

約数ペア:

[(1, 21441791), (7, 3063113), (89, 240919), (127, 168833), (271, 79121), (623, 34417), (889, 24119), (1897, 11303)]