21509082

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170707}}^1$

素因数の和:170722

約数の個数: 24

約数和(自身を含む): 53260896

約数和(自身を除く): 31751814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170707, 341414, 512121, 1024242, 1194949, 1536363, 2389898, 3072726, 3584847, 7169694, 10754541, 21509082]

約数ペア:

[(1, 21509082), (2, 10754541), (3, 7169694), (6, 3584847), (7, 3072726), (9, 2389898), (14, 1536363), (18, 1194949), (21, 1024242), (42, 512121), (63, 341414), (126, 170707)]