21542451

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60343}}^1$

素因数の和:60370

約数の個数: 16

約数和(自身を含む): 34758144

約数和(自身を除く): 13215693

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60343, 181029, 422401, 1025831, 1267203, 3077493, 7180817, 21542451]

約数ペア:

[(1, 21542451), (3, 7180817), (7, 3077493), (17, 1267203), (21, 1025831), (51, 422401), (119, 181029), (357, 60343)]