21909964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9993

約数の個数: 24

約数和(自身を含む): 41756400

約数和(自身を除く): 19846436

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9941, 19882, 39764, 188879, 288289, 377758, 576578, 755516, 1153156, 5477491, 10954982, 21909964]

約数ペア:

[(1, 21909964), (2, 10954982), (4, 5477491), (19, 1153156), (29, 755516), (38, 576578), (58, 377758), (76, 288289), (116, 188879), (551, 39764), (1102, 19882), (2204, 9941)]