21571438

素因数分解:

$2^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{2143}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 37048320

約数和(自身を除く): 15476882

約数列:

[1, 2, 7, 14, 719, 1438, 2143, 4286, 5033, 10066, 15001, 30002, 1540817, 3081634, 10785719, 21571438]

約数ペア:

[(1, 21571438), (2, 10785719), (7, 3081634), (14, 1540817), (719, 30002), (1438, 15001), (2143, 10066), (4286, 5033)]