21688462

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19731

約数の個数: 16

約数和(自身を含む): 35427600

約数和(自身を除く): 13739138

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19681, 39362, 373939, 570749, 747878, 1141498, 10844231, 21688462]

約数ペア:

[(1, 21688462), (2, 10844231), (19, 1141498), (29, 747878), (38, 570749), (58, 373939), (551, 39362), (1102, 19681)]