21316305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49003}}^1$

素因数の和:49040

約数の個数: 16

約数和(自身を含む): 35282880

約数和(自身を除く): 13966575

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 49003, 147009, 245015, 735045, 1421087, 4263261, 7105435, 21316305]

約数ペア:

[(1, 21316305), (3, 7105435), (5, 4263261), (15, 1421087), (29, 735045), (87, 245015), (145, 147009), (435, 49003)]