21817749

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1021}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 30905280

約数和(自身を除く): 9087531

約数列:

[1, 3, 17, 51, 419, 1021, 1257, 3063, 7123, 17357, 21369, 52071, 427799, 1283397, 7272583, 21817749]

約数ペア:

[(1, 21817749), (3, 7272583), (17, 1283397), (51, 427799), (419, 52071), (1021, 21369), (1257, 17357), (3063, 7123)]