21637209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38569}}^1$

素因数の和:38600

約数の個数: 16

約数和(自身を含む): 33324480

約数和(自身を除く): 11687271

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38569, 115707, 424259, 655673, 1272777, 1967019, 7212403, 21637209]

約数ペア:

[(1, 21637209), (3, 7212403), (11, 1967019), (17, 1272777), (33, 655673), (51, 424259), (187, 115707), (561, 38569)]