21788116

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21031}}^1$

素因数の和:21079

約数の個数: 24

約数和(自身を含む): 44756096

約数和(自身を除く): 22967980

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 21031, 42062, 84124, 147217, 294434, 588868, 778147, 1556294, 3112588, 5447029, 10894058, 21788116]

約数ペア:

[(1, 21788116), (2, 10894058), (4, 5447029), (7, 3112588), (14, 1556294), (28, 778147), (37, 588868), (74, 294434), (148, 147217), (259, 84124), (518, 42062), (1036, 21031)]