21091770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33479}}^1$

素因数の和:33499

約数の個数: 48

約数和(自身を含む): 62674560

約数和(自身を除く): 41582790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33479, 66958, 100437, 167395, 200874, 234353, 301311, 334790, 468706, 502185, 602622, 703059, 1004370, 1171765, 1406118, 1506555, 2109177, 2343530, 3013110, 3515295, 4218354, 7030590, 10545885, 21091770]

約数ペア:

[(1, 21091770), (2, 10545885), (3, 7030590), (5, 4218354), (6, 3515295), (7, 3013110), (9, 2343530), (10, 2109177), (14, 1506555), (15, 1406118), (18, 1171765), (21, 1004370), (30, 703059), (35, 602622), (42, 502185), (45, 468706), (63, 334790), (70, 301311), (90, 234353), (105, 200874), (126, 167395), (210, 100437), (315, 66958), (630, 33479)]