21910773

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7043}}^1$

素因数の和:7124

約数の個数: 16

約数和(自身を含む): 31444416

約数和(自身を除く): 9533643

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 7043, 21129, 119731, 359193, 429623, 1288869, 7303591, 21910773]

約数ペア:

[(1, 21910773), (3, 7303591), (17, 1288869), (51, 429623), (61, 359193), (183, 119731), (1037, 21129), (3111, 7043)]