21068136

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5521}}^1$

素因数の和:5586

約数の個数: 48

約数和(自身を含む): 58146660

約数和(自身を除く): 37078524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5521, 11042, 16563, 22084, 33126, 44168, 49689, 66252, 99378, 132504, 198756, 292613, 397512, 585226, 877839, 1170452, 1755678, 2340904, 2633517, 3511356, 5267034, 7022712, 10534068, 21068136]

約数ペア:

[(1, 21068136), (2, 10534068), (3, 7022712), (4, 5267034), (6, 3511356), (8, 2633517), (9, 2340904), (12, 1755678), (18, 1170452), (24, 877839), (36, 585226), (53, 397512), (72, 292613), (106, 198756), (159, 132504), (212, 99378), (318, 66252), (424, 49689), (477, 44168), (636, 33126), (954, 22084), (1272, 16563), (1908, 11042), (3816, 5521)]