21616683

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 31521792

約数和(自身を除く): 9905109

約数列:

[1, 3, 11, 33, 661, 991, 1983, 2973, 7271, 10901, 21813, 32703, 655051, 1965153, 7205561, 21616683]

約数ペア:

[(1, 21616683), (3, 7205561), (11, 1965153), (33, 655051), (661, 32703), (991, 21813), (1983, 10901), (2973, 7271)]