21817356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34066164

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 788, 839, 1182, 1678, 2167, 2364, 2517, 3356, 4334, 5034, 6501, 8668, 9229, 10068, 13002, 18458, 26004, 27687, 36916, 55374, 110748, 165283, 330566, 495849, 661132, 991698, 1818113, 1983396, 3636226, 5454339, 7272452, 10908678, 21817356]

約数ペア:

[(1, 21817356), (2, 10908678), (3, 7272452), (4, 5454339), (6, 3636226), (11, 1983396), (12, 1818113), (22, 991698), (33, 661132), (44, 495849), (66, 330566), (132, 165283), (197, 110748), (394, 55374), (591, 36916), (788, 27687), (839, 26004), (1182, 18458), (1678, 13002), (2167, 10068), (2364, 9229), (2517, 8668), (3356, 6501), (4334, 5034)]