21546021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60353}}^1$

素因数の和:60380

約数の個数: 16

約数和(自身を含む): 34763904

約数和(自身を除く): 13217883

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60353, 181059, 422471, 1026001, 1267413, 3078003, 7182007, 21546021]

約数ペア:

[(1, 21546021), (3, 7182007), (7, 3078003), (17, 1267413), (21, 1026001), (51, 422471), (119, 181059), (357, 60353)]