21119763

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59159}}^1$

素因数の和:59186

約数の個数: 16

約数和(自身を含む): 34076160

約数和(自身を除く): 12956397

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59159, 177477, 414113, 1005703, 1242339, 3017109, 7039921, 21119763]

約数ペア:

[(1, 21119763), (3, 7039921), (7, 3017109), (17, 1242339), (21, 1005703), (51, 414113), (119, 177477), (357, 59159)]