21880353

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4391}}^1$

素因数の和:4556

約数の個数: 16

約数和(自身を含む): 32044032

約数和(自身を除く): 10163679

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4391, 4983, 13173, 48301, 144903, 663041, 1989123, 7293451, 21880353]

約数ペア:

[(1, 21880353), (3, 7293451), (11, 1989123), (33, 663041), (151, 144903), (453, 48301), (1661, 13173), (4391, 4983)]