21288086

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4273}}^1$

素因数の和:4375

約数の個数: 16

約数和(自身を含む): 33234624

約数和(自身を除く): 11946538

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4273, 4982, 8546, 200831, 226469, 401662, 452938, 10644043, 21288086]

約数ペア:

[(1, 21288086), (2, 10644043), (47, 452938), (53, 401662), (94, 226469), (106, 200831), (2491, 8546), (4273, 4982)]