21523504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 44394480

約数和(自身を除く): 22870976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 701, 808, 1402, 1616, 1919, 2804, 3838, 5608, 7676, 11216, 13319, 15352, 26638, 30704, 53276, 70801, 106552, 141602, 213104, 283204, 566408, 1132816, 1345219, 2690438, 5380876, 10761752, 21523504]

約数ペア:

[(1, 21523504), (2, 10761752), (4, 5380876), (8, 2690438), (16, 1345219), (19, 1132816), (38, 566408), (76, 283204), (101, 213104), (152, 141602), (202, 106552), (304, 70801), (404, 53276), (701, 30704), (808, 26638), (1402, 15352), (1616, 13319), (1919, 11216), (2804, 7676), (3838, 5608)]