21689904

素因数分解:

$2^4\times 3^1\times {\mathrm{451873}}^1$

素因数の和:451884

約数の個数: 20

約数和(自身を含む): 56032376

約数和(自身を除く): 34342472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451873, 903746, 1355619, 1807492, 2711238, 3614984, 5422476, 7229968, 10844952, 21689904]

約数ペア:

[(1, 21689904), (2, 10844952), (3, 7229968), (4, 5422476), (6, 3614984), (8, 2711238), (12, 1807492), (16, 1355619), (24, 903746), (48, 451873)]