21325572

素因数分解:

$2^2\times 3^3\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 55540800

約数和(自身を除く): 34215228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 379, 521, 758, 1042, 1137, 1516, 1563, 2084, 2274, 3126, 3411, 4548, 4689, 6252, 6822, 9378, 10233, 13644, 14067, 18756, 20466, 28134, 40932, 56268, 197459, 394918, 592377, 789836, 1184754, 1777131, 2369508, 3554262, 5331393, 7108524, 10662786, 21325572]

約数ペア:

[(1, 21325572), (2, 10662786), (3, 7108524), (4, 5331393), (6, 3554262), (9, 2369508), (12, 1777131), (18, 1184754), (27, 789836), (36, 592377), (54, 394918), (108, 197459), (379, 56268), (521, 40932), (758, 28134), (1042, 20466), (1137, 18756), (1516, 14067), (1563, 13644), (2084, 10233), (2274, 9378), (3126, 6822), (3411, 6252), (4548, 4689)]