21167671

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 24909120

約数和(自身を除く): 3741449

約数列:

[1, 7, 61, 89, 427, 557, 623, 3899, 5429, 33977, 38003, 49573, 237839, 347011, 3023953, 21167671]

約数ペア:

[(1, 21167671), (7, 3023953), (61, 347011), (89, 237839), (427, 49573), (557, 38003), (623, 33977), (3899, 5429)]