21215406

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{48437}}^1$

素因数の和:48515

約数の個数: 16

約数和(自身を含む): 43012944

約数和(自身を除く): 21797538

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 48437, 96874, 145311, 290622, 3535901, 7071802, 10607703, 21215406]

約数ペア:

[(1, 21215406), (2, 10607703), (3, 7071802), (6, 3535901), (73, 290622), (146, 145311), (219, 96874), (438, 48437)]