21665112

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128959}}^1$

素因数の和:128975

約数の個数: 32

約数和(自身を含む): 61900800

約数和(自身を除く): 40235688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128959, 257918, 386877, 515836, 773754, 902713, 1031672, 1547508, 1805426, 2708139, 3095016, 3610852, 5416278, 7221704, 10832556, 21665112]

約数ペア:

[(1, 21665112), (2, 10832556), (3, 7221704), (4, 5416278), (6, 3610852), (7, 3095016), (8, 2708139), (12, 1805426), (14, 1547508), (21, 1031672), (24, 902713), (28, 773754), (42, 515836), (56, 386877), (84, 257918), (168, 128959)]