21000724772

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{18493}}^1\times {\mathrm{7673}}^1$

素因数の和:26207

約数の個数: 24

約数和(自身を含む): 37751506296

約数和(自身を除く): 16750781524

約数列:

[1, 2, 4, 37, 74, 148, 7673, 15346, 18493, 30692, 36986, 73972, 283901, 567802, 684241, 1135604, 1368482, 2736964, 141896789, 283793578, 567587156, 5250181193, 10500362386, 21000724772]

約数ペア:

[(1, 21000724772), (2, 10500362386), (4, 5250181193), (37, 567587156), (74, 283793578), (148, 141896789), (7673, 2736964), (15346, 1368482), (18493, 1135604), (30692, 684241), (36986, 567802), (73972, 283901)]