21229653

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 29433600

約数和(自身を除く): 8203947

約数列:

[1, 3, 29, 87, 239, 717, 1021, 3063, 6931, 20793, 29609, 88827, 244019, 732057, 7076551, 21229653]

約数ペア:

[(1, 21229653), (3, 7076551), (29, 732057), (87, 244019), (239, 88827), (717, 29609), (1021, 20793), (3063, 6931)]