21285558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56311}}^1$

素因数の和:56329

約数の個数: 32

約数和(自身を含む): 54059520

約数和(自身を除く): 32773962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56311, 112622, 168933, 337866, 394177, 506799, 788354, 1013598, 1182531, 1520397, 2365062, 3040794, 3547593, 7095186, 10642779, 21285558]

約数ペア:

[(1, 21285558), (2, 10642779), (3, 7095186), (6, 3547593), (7, 3040794), (9, 2365062), (14, 1520397), (18, 1182531), (21, 1013598), (27, 788354), (42, 506799), (54, 394177), (63, 337866), (126, 168933), (189, 112622), (378, 56311)]