21261966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1163}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 46597248

約数和(自身を除く): 25335282

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 277, 554, 831, 1163, 1662, 2326, 3047, 3489, 6094, 6978, 9141, 12793, 18282, 25586, 38379, 76758, 322151, 644302, 966453, 1932906, 3543661, 7087322, 10630983, 21261966]

約数ペア:

[(1, 21261966), (2, 10630983), (3, 7087322), (6, 3543661), (11, 1932906), (22, 966453), (33, 644302), (66, 322151), (277, 76758), (554, 38379), (831, 25586), (1163, 18282), (1662, 12793), (2326, 9141), (3047, 6978), (3489, 6094)]