21497145

素因数分解:

$3^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1523}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 34454592

約数和(自身を除く): 12957447

約数列:

[1, 3, 5, 15, 941, 1523, 2823, 4569, 4705, 7615, 14115, 22845, 1433143, 4299429, 7165715, 21497145]

約数ペア:

[(1, 21497145), (3, 7165715), (5, 4299429), (15, 1433143), (941, 22845), (1523, 14115), (2823, 7615), (4569, 4705)]