21943733

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 25906944

約数和(自身を除く): 3963211

約数列:

[1, 7, 41, 157, 287, 487, 1099, 3409, 6437, 19967, 45059, 76459, 139769, 535213, 3134819, 21943733]

約数ペア:

[(1, 21943733), (7, 3134819), (41, 535213), (157, 139769), (287, 76459), (487, 45059), (1099, 19967), (3409, 6437)]