21850956

素因数分解:

$2^2\times 3^2\times {\mathrm{606971}}^1$

素因数の和:606981

約数の個数: 18

約数和(自身を含む): 55234452

約数和(自身を除く): 33383496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606971, 1213942, 1820913, 2427884, 3641826, 5462739, 7283652, 10925478, 21850956]

約数ペア:

[(1, 21850956), (2, 10925478), (3, 7283652), (4, 5462739), (6, 3641826), (9, 2427884), (12, 1820913), (18, 1213942), (36, 606971)]