21196449

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 32064552

約数和(自身を除く): 10868103

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1201, 1961, 3603, 5883, 10809, 17649, 44437, 63653, 133311, 190959, 399933, 572877, 2355161, 7065483, 21196449]

約数ペア:

[(1, 21196449), (3, 7065483), (9, 2355161), (37, 572877), (53, 399933), (111, 190959), (159, 133311), (333, 63653), (477, 44437), (1201, 17649), (1961, 10809), (3603, 5883)]