21021966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166841}}^1$

素因数の和:166856

約数の個数: 24

約数和(自身を含む): 52054704

約数和(自身を除く): 31032738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166841, 333682, 500523, 1001046, 1167887, 1501569, 2335774, 3003138, 3503661, 7007322, 10510983, 21021966]

約数ペア:

[(1, 21021966), (2, 10510983), (3, 7007322), (6, 3503661), (7, 3003138), (9, 2335774), (14, 1501569), (18, 1167887), (21, 1001046), (42, 500523), (63, 333682), (126, 166841)]