21169335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7547}}^1$

素因数の和:7583

約数の個数: 32

約数和(自身を含む): 39128832

約数和(自身を除く): 17959497

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7547, 22641, 37735, 83017, 113205, 128299, 249051, 384897, 415085, 641495, 1245255, 1411289, 1924485, 4233867, 7056445, 21169335]

約数ペア:

[(1, 21169335), (3, 7056445), (5, 4233867), (11, 1924485), (15, 1411289), (17, 1245255), (33, 641495), (51, 415085), (55, 384897), (85, 249051), (165, 128299), (187, 113205), (255, 83017), (561, 37735), (935, 22641), (2805, 7547)]