21417044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{757}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 41004768

約数和(自身を除く): 19587724

約数列:

[1, 2, 4, 11, 22, 44, 643, 757, 1286, 1514, 2572, 3028, 7073, 8327, 14146, 16654, 28292, 33308, 486751, 973502, 1947004, 5354261, 10708522, 21417044]

約数ペア:

[(1, 21417044), (2, 10708522), (4, 5354261), (11, 1947004), (22, 973502), (44, 486751), (643, 33308), (757, 28292), (1286, 16654), (1514, 14146), (2572, 8327), (3028, 7073)]