21197804538

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{7195453}}^1$

素因数の和:7195949

約数の個数: 16

約数和(自身を含む): 42481960416

約数和(自身を除く): 21284155878

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 7195453, 14390906, 21586359, 43172718, 3532967423, 7065934846, 10598902269, 21197804538]

約数ペア:

[(1, 21197804538), (2, 10598902269), (3, 7065934846), (6, 3532967423), (491, 43172718), (982, 21586359), (1473, 14390906), (2946, 7195453)]