21538878

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{76379}}^1$

素因数の和:76431

約数の個数: 16

約数和(自身を含む): 43994880

約数和(自身を除く): 22456002

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 76379, 152758, 229137, 458274, 3589813, 7179626, 10769439, 21538878]

約数ペア:

[(1, 21538878), (2, 10769439), (3, 7179626), (6, 3589813), (47, 458274), (94, 229137), (141, 152758), (282, 76379)]