21335754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8737}}^1$

素因数の和:8790

約数の個数: 32

約数和(自身を含む): 47814336

約数和(自身を除く): 26478582

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8737, 17474, 26211, 52422, 96107, 192214, 288321, 323269, 576642, 646538, 969807, 1939614, 3555959, 7111918, 10667877, 21335754]

約数ペア:

[(1, 21335754), (2, 10667877), (3, 7111918), (6, 3555959), (11, 1939614), (22, 969807), (33, 646538), (37, 576642), (66, 323269), (74, 288321), (111, 192214), (222, 96107), (407, 52422), (814, 26211), (1221, 17474), (2442, 8737)]