21097762

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65521}}^1$

素因数の和:65553

約数の個数: 16

約数和(自身を含む): 37740672

約数和(自身を除く): 16642910

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65521, 131042, 458647, 917294, 1506983, 3013966, 10548881, 21097762]

約数ペア:

[(1, 21097762), (2, 10548881), (7, 3013966), (14, 1506983), (23, 917294), (46, 458647), (161, 131042), (322, 65521)]