21578796

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1607}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 54726672

約数和(自身を除く): 33147876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1607, 2238, 3214, 3357, 4476, 4821, 6428, 6714, 9642, 13428, 14463, 19284, 28926, 57852, 599411, 1198822, 1798233, 2397644, 3596466, 5394699, 7192932, 10789398, 21578796]

約数ペア:

[(1, 21578796), (2, 10789398), (3, 7192932), (4, 5394699), (6, 3596466), (9, 2397644), (12, 1798233), (18, 1198822), (36, 599411), (373, 57852), (746, 28926), (1119, 19284), (1492, 14463), (1607, 13428), (2238, 9642), (3214, 6714), (3357, 6428), (4476, 4821)]