21661898

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2851}}^1$

素因数の和:3013

約数の個数: 16

約数和(自身を含む): 33881760

約数和(自身を除く): 12219862

約数列:

[1, 2, 29, 58, 131, 262, 2851, 3799, 5702, 7598, 82679, 165358, 373481, 746962, 10830949, 21661898]

約数ペア:

[(1, 21661898), (2, 10830949), (29, 746962), (58, 373481), (131, 165358), (262, 82679), (2851, 7598), (3799, 5702)]