21787356

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16657}}^1$

素因数の和:16773

約数の個数: 24

約数和(自身を含む): 51306640

約数和(自身を除く): 29519284

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16657, 33314, 49971, 66628, 99942, 199884, 1815613, 3631226, 5446839, 7262452, 10893678, 21787356]

約数ペア:

[(1, 21787356), (2, 10893678), (3, 7262452), (4, 5446839), (6, 3631226), (12, 1815613), (109, 199884), (218, 99942), (327, 66628), (436, 49971), (654, 33314), (1308, 16657)]