21048699

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4159}}^1$

素因数の和:4410

約数の個数: 16

約数和(自身を含む): 32215040

約数和(自身を除く): 11166341

約数列:

[1, 3, 7, 21, 241, 723, 1687, 4159, 5061, 12477, 29113, 87339, 1002319, 3006957, 7016233, 21048699]

約数ペア:

[(1, 21048699), (3, 7016233), (7, 3006957), (21, 1002319), (241, 87339), (723, 29113), (1687, 12477), (4159, 5061)]