21981912

素因数分解:

$2^3\times 3^1\times {\mathrm{541}}^1\times {\mathrm{1693}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 55088880

約数和(自身を除く): 33106968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 541, 1082, 1623, 1693, 2164, 3246, 3386, 4328, 5079, 6492, 6772, 10158, 12984, 13544, 20316, 40632, 915913, 1831826, 2747739, 3663652, 5495478, 7327304, 10990956, 21981912]

約数ペア:

[(1, 21981912), (2, 10990956), (3, 7327304), (4, 5495478), (6, 3663652), (8, 2747739), (12, 1831826), (24, 915913), (541, 40632), (1082, 20316), (1623, 13544), (1693, 12984), (2164, 10158), (3246, 6772), (3386, 6492), (4328, 5079)]