21654402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4261}}^1$

素因数の和:4295

約数の個数: 48

約数和(自身を含む): 54417216

約数和(自身を除く): 32762814

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2541, 4261, 5082, 8522, 12783, 25566, 29827, 46871, 59654, 89481, 93742, 140613, 178962, 281226, 328097, 515581, 656194, 984291, 1031162, 1546743, 1968582, 3093486, 3609067, 7218134, 10827201, 21654402]

約数ペア:

[(1, 21654402), (2, 10827201), (3, 7218134), (6, 3609067), (7, 3093486), (11, 1968582), (14, 1546743), (21, 1031162), (22, 984291), (33, 656194), (42, 515581), (66, 328097), (77, 281226), (121, 178962), (154, 140613), (231, 93742), (242, 89481), (363, 59654), (462, 46871), (726, 29827), (847, 25566), (1694, 12783), (2541, 8522), (4261, 5082)]