21334863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4339}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 9913137

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4339, 4917, 13017, 47729, 143187, 646511, 1939533, 7111621, 21334863]

約数ペア:

[(1, 21334863), (3, 7111621), (11, 1939533), (33, 646511), (149, 143187), (447, 47729), (1639, 13017), (4339, 4917)]