21091734

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17489}}^1$

素因数の和:17564

約数の個数: 24

約数和(自身を含む): 46383480

約数和(自身を除く): 25291746

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17489, 34978, 52467, 104934, 157401, 314802, 1171763, 2343526, 3515289, 7030578, 10545867, 21091734]

約数ペア:

[(1, 21091734), (2, 10545867), (3, 7030578), (6, 3515289), (9, 2343526), (18, 1171763), (67, 314802), (134, 157401), (201, 104934), (402, 52467), (603, 34978), (1206, 17489)]