21437357

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2512723

約数列:

[1, 17, 23, 109, 391, 503, 1853, 2507, 8551, 11569, 42619, 54827, 196673, 932059, 1261021, 21437357]

約数ペア:

[(1, 21437357), (17, 1261021), (23, 932059), (109, 196673), (391, 54827), (503, 42619), (1853, 11569), (2507, 8551)]