21820014

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{3023}}^1$

素因数の和:3432

約数の個数: 24

約数和(自身を含む): 47410272

約数和(自身を除く): 25590258

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 3023, 3609, 6046, 7218, 9069, 18138, 27207, 54414, 1212223, 2424446, 3636669, 7273338, 10910007, 21820014]

約数ペア:

[(1, 21820014), (2, 10910007), (3, 7273338), (6, 3636669), (9, 2424446), (18, 1212223), (401, 54414), (802, 27207), (1203, 18138), (2406, 9069), (3023, 7218), (3609, 6046)]