21266378

素因数分解:

$2^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{1429}}^1$

素因数の和:2501

約数の個数: 16

約数和(自身を含む): 36516480

約数和(自身を除く): 15250102

約数列:

[1, 2, 7, 14, 1063, 1429, 2126, 2858, 7441, 10003, 14882, 20006, 1519027, 3038054, 10633189, 21266378]

約数ペア:

[(1, 21266378), (2, 10633189), (7, 3038054), (14, 1519027), (1063, 20006), (1429, 14882), (2126, 10003), (2858, 7441)]