21151824

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4363}}^1$

素因数の和:4475

約数の個数: 40

約数和(自身を含む): 55195872

約数和(自身を除く): 34044048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4363, 4848, 8726, 13089, 17452, 26178, 34904, 52356, 69808, 104712, 209424, 440663, 881326, 1321989, 1762652, 2643978, 3525304, 5287956, 7050608, 10575912, 21151824]

約数ペア:

[(1, 21151824), (2, 10575912), (3, 7050608), (4, 5287956), (6, 3525304), (8, 2643978), (12, 1762652), (16, 1321989), (24, 881326), (48, 440663), (101, 209424), (202, 104712), (303, 69808), (404, 52356), (606, 34904), (808, 26178), (1212, 17452), (1616, 13089), (2424, 8726), (4363, 4848)]