21543074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80989}}^1$

素因数の和:81017

約数の個数: 16

約数和(自身を含む): 38875200

約数和(自身を除く): 17332126

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80989, 161978, 566923, 1133846, 1538791, 3077582, 10771537, 21543074]

約数ペア:

[(1, 21543074), (2, 10771537), (7, 3077582), (14, 1538791), (19, 1133846), (38, 566923), (133, 161978), (266, 80989)]