21000391734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500009327}}^1$

素因数の和:500009339

約数の個数: 16

約数和(自身を含む): 48000895488

約数和(自身を除く): 27000503754

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500009327, 1000018654, 1500027981, 3000055962, 3500065289, 7000130578, 10500195867, 21000391734]

約数ペア:

[(1, 21000391734), (2, 10500195867), (3, 7000130578), (6, 3500065289), (7, 3000055962), (14, 1500027981), (21, 1000018654), (42, 500009327)]