21779776

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17942

約数の個数: 28

約数和(自身を含む): 45496480

約数和(自身を除く): 23716704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17911, 35822, 71644, 143288, 286576, 340309, 573152, 680618, 1146304, 1361236, 2722472, 5444944, 10889888, 21779776]

約数ペア:

[(1, 21779776), (2, 10889888), (4, 5444944), (8, 2722472), (16, 1361236), (19, 1146304), (32, 680618), (38, 573152), (64, 340309), (76, 286576), (152, 143288), (304, 71644), (608, 35822), (1216, 17911)]