21376828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 42565320

約数和(自身を除く): 21188492

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1523, 3046, 3509, 6092, 7018, 14036, 16753, 33506, 44167, 67012, 88334, 176668, 184283, 368566, 485837, 737132, 971674, 1943348, 5344207, 10688414, 21376828]

約数ペア:

[(1, 21376828), (2, 10688414), (4, 5344207), (11, 1943348), (22, 971674), (29, 737132), (44, 485837), (58, 368566), (116, 184283), (121, 176668), (242, 88334), (319, 67012), (484, 44167), (638, 33506), (1276, 16753), (1523, 14036), (3046, 7018), (3509, 6092)]