21334761

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4639}}^1$

素因数の和:4725

約数の個数: 24

約数和(自身を含む): 35709440

約数和(自身を除く): 14374679

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 4639, 13917, 32473, 41751, 97419, 292257, 338647, 1015941, 2370529, 3047823, 7111587, 21334761]

約数ペア:

[(1, 21334761), (3, 7111587), (7, 3047823), (9, 2370529), (21, 1015941), (63, 338647), (73, 292257), (219, 97419), (511, 41751), (657, 32473), (1533, 13917), (4599, 4639)]