21461044

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 43041600

約数和(自身を除く): 21580556

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 139, 242, 278, 319, 484, 556, 638, 1276, 1331, 1529, 2662, 3058, 3509, 4031, 5324, 6116, 7018, 8062, 14036, 16124, 16819, 33638, 38599, 44341, 67276, 77198, 88682, 154396, 177364, 185009, 370018, 487751, 740036, 975502, 1951004, 5365261, 10730522, 21461044]

約数ペア:

[(1, 21461044), (2, 10730522), (4, 5365261), (11, 1951004), (22, 975502), (29, 740036), (44, 487751), (58, 370018), (116, 185009), (121, 177364), (139, 154396), (242, 88682), (278, 77198), (319, 67276), (484, 44341), (556, 38599), (638, 33638), (1276, 16819), (1331, 16124), (1529, 14036), (2662, 8062), (3058, 7018), (3509, 6116), (4031, 5324)]