21656432

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1246

約数の個数: 60

約数和(自身を含む): 50974416

約数和(自身を除く): 29317984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1201, 1288, 2254, 2402, 2576, 4508, 4804, 8407, 9016, 9608, 16814, 18032, 19216, 27623, 33628, 55246, 58849, 67256, 110492, 117698, 134512, 193361, 220984, 235396, 386722, 441968, 470792, 773444, 941584, 1353527, 1546888, 2707054, 3093776, 5414108, 10828216, 21656432]

約数ペア:

[(1, 21656432), (2, 10828216), (4, 5414108), (7, 3093776), (8, 2707054), (14, 1546888), (16, 1353527), (23, 941584), (28, 773444), (46, 470792), (49, 441968), (56, 386722), (92, 235396), (98, 220984), (112, 193361), (161, 134512), (184, 117698), (196, 110492), (322, 67256), (368, 58849), (392, 55246), (644, 33628), (784, 27623), (1127, 19216), (1201, 18032), (1288, 16814), (2254, 9608), (2402, 9016), (2576, 8407), (4508, 4804)]