21985096

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8353}}^1$

素因数の和:8413

約数の個数: 32

約数和(自身を含む): 48119040

約数和(自身を除く): 26133944

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8353, 16706, 33412, 58471, 66824, 116942, 233884, 392591, 467768, 785182, 1570364, 2748137, 3140728, 5496274, 10992548, 21985096]

約数ペア:

[(1, 21985096), (2, 10992548), (4, 5496274), (7, 3140728), (8, 2748137), (14, 1570364), (28, 785182), (47, 467768), (56, 392591), (94, 233884), (188, 116942), (329, 66824), (376, 58471), (658, 33412), (1316, 16706), (2632, 8353)]