21009135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{200087}}^1$

素因数の和:200102

約数の個数: 16

約数和(自身を含む): 38416896

約数和(自身を除く): 17407761

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 200087, 600261, 1000435, 1400609, 3001305, 4201827, 7003045, 21009135]

約数ペア:

[(1, 21009135), (3, 7003045), (5, 4201827), (7, 3001305), (15, 1400609), (21, 1000435), (35, 600261), (105, 200087)]