21498012

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5581}}^1$

素因数の和:5698

約数の個数: 36

約数和(自身を含む): 54859896

約数和(自身を除く): 33361884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5581, 11162, 16743, 22324, 33486, 50229, 66972, 100458, 200916, 597167, 1194334, 1791501, 2388668, 3583002, 5374503, 7166004, 10749006, 21498012]

約数ペア:

[(1, 21498012), (2, 10749006), (3, 7166004), (4, 5374503), (6, 3583002), (9, 2388668), (12, 1791501), (18, 1194334), (36, 597167), (107, 200916), (214, 100458), (321, 66972), (428, 50229), (642, 33486), (963, 22324), (1284, 16743), (1926, 11162), (3852, 5581)]