21621801

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4751}}^1$

素因数の和:4832

約数の個数: 16

約数和(自身を含む): 30336768

約数和(自身を除く): 8714967

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 4751, 14253, 175787, 194791, 527361, 584373, 7207267, 21621801]

約数ペア:

[(1, 21621801), (3, 7207267), (37, 584373), (41, 527361), (111, 194791), (123, 175787), (1517, 14253), (4551, 4751)]