21739832

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 19958968

約数列:

[1, 2, 4, 8, 107, 109, 214, 218, 233, 428, 436, 466, 856, 872, 932, 1864, 11663, 23326, 24931, 25397, 46652, 49862, 50794, 93304, 99724, 101588, 199448, 203176, 2717479, 5434958, 10869916, 21739832]

約数ペア:

[(1, 21739832), (2, 10869916), (4, 5434958), (8, 2717479), (107, 203176), (109, 199448), (214, 101588), (218, 99724), (233, 93304), (428, 50794), (436, 49862), (466, 46652), (856, 25397), (872, 24931), (932, 23326), (1864, 11663)]