21749109

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 30035712

約数和(自身を除く): 8286603

約数列:

[1, 3, 47, 73, 141, 219, 2113, 3431, 6339, 10293, 99311, 154249, 297933, 462747, 7249703, 21749109]

約数ペア:

[(1, 21749109), (3, 7249703), (47, 462747), (73, 297933), (141, 154249), (219, 99311), (2113, 10293), (3431, 6339)]