21576816

素因数分解:

$2^4\times 3^2\times {\mathrm{149839}}^1$

素因数の和:149853

約数の個数: 30

約数和(自身を含む): 60385520

約数和(自身を除く): 38808704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149839, 299678, 449517, 599356, 899034, 1198712, 1348551, 1798068, 2397424, 2697102, 3596136, 5394204, 7192272, 10788408, 21576816]

約数ペア:

[(1, 21576816), (2, 10788408), (3, 7192272), (4, 5394204), (6, 3596136), (8, 2697102), (9, 2397424), (12, 1798068), (16, 1348551), (18, 1198712), (24, 899034), (36, 599356), (48, 449517), (72, 299678), (144, 149839)]