21072092

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 38138016

約数和(自身を除く): 17065924

約数列:

[1, 2, 4, 37, 74, 148, 173, 346, 692, 823, 1646, 3292, 6401, 12802, 25604, 30451, 60902, 121804, 142379, 284758, 569516, 5268023, 10536046, 21072092]

約数ペア:

[(1, 21072092), (2, 10536046), (4, 5268023), (37, 569516), (74, 284758), (148, 142379), (173, 121804), (346, 60902), (692, 30451), (823, 25604), (1646, 12802), (3292, 6401)]