21176596

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 36

約数和(自身を含む): 43819104

約数和(自身を除く): 22642508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 787, 868, 961, 1574, 1922, 3148, 3844, 5509, 6727, 11018, 13454, 22036, 24397, 26908, 48794, 97588, 170779, 341558, 683116, 756307, 1512614, 3025228, 5294149, 10588298, 21176596]

約数ペア:

[(1, 21176596), (2, 10588298), (4, 5294149), (7, 3025228), (14, 1512614), (28, 756307), (31, 683116), (62, 341558), (124, 170779), (217, 97588), (434, 48794), (787, 26908), (868, 24397), (961, 22036), (1574, 13454), (1922, 11018), (3148, 6727), (3844, 5509)]