21370070

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22031}}^1$

素因数の和:22135

約数の個数: 16

約数和(自身を含む): 38864448

約数和(自身を除く): 17494378

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 22031, 44062, 110155, 220310, 2137007, 4274014, 10685035, 21370070]

約数ペア:

[(1, 21370070), (2, 10685035), (5, 4274014), (10, 2137007), (97, 220310), (194, 110155), (485, 44062), (970, 22031)]