21717646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7829}}^1$

素因数の和:7923

約数の個数: 16

約数和(自身を含む): 34765200

約数和(自身を除く): 13047554

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7829, 15658, 148751, 297502, 571517, 1143034, 10858823, 21717646]

約数ペア:

[(1, 21717646), (2, 10858823), (19, 1143034), (38, 571517), (73, 297502), (146, 148751), (1387, 15658), (2774, 7829)]