21798426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2767}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 47432448

約数和(自身を除く): 25634022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2767, 3939, 5534, 7878, 8301, 16602, 35971, 71942, 107913, 215826, 279467, 558934, 838401, 1676802, 3633071, 7266142, 10899213, 21798426]

約数ペア:

[(1, 21798426), (2, 10899213), (3, 7266142), (6, 3633071), (13, 1676802), (26, 838401), (39, 558934), (78, 279467), (101, 215826), (202, 107913), (303, 71942), (606, 35971), (1313, 16602), (2626, 8301), (2767, 7878), (3939, 5534)]