21153610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124433}}^1$

素因数の和:124457

約数の個数: 16

約数和(自身を含む): 40316616

約数和(自身を除く): 19163006

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124433, 248866, 622165, 1244330, 2115361, 4230722, 10576805, 21153610]

約数ペア:

[(1, 21153610), (2, 10576805), (5, 4230722), (10, 2115361), (17, 1244330), (34, 622165), (85, 248866), (170, 124433)]