21350637

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30809}}^1$

素因数の和:30833

約数の個数: 24

約数和(自身を含む): 38450880

約数和(自身を除く): 17100243

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30809, 92427, 215663, 277281, 338899, 646989, 1016697, 1940967, 2372293, 3050091, 7116879, 21350637]

約数ペア:

[(1, 21350637), (3, 7116879), (7, 3050091), (9, 2372293), (11, 1940967), (21, 1016697), (33, 646989), (63, 338899), (77, 277281), (99, 215663), (231, 92427), (693, 30809)]