21471135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{204487}}^1$

素因数の和:204502

約数の個数: 16

約数和(自身を含む): 39261696

約数和(自身を除く): 17790561

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 204487, 613461, 1022435, 1431409, 3067305, 4294227, 7157045, 21471135]

約数ペア:

[(1, 21471135), (3, 7157045), (5, 4294227), (7, 3067305), (15, 1431409), (21, 1022435), (35, 613461), (105, 204487)]