21491484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255851}}^1$

素因数の和:255865

約数の個数: 24

約数和(自身を含む): 57310848

約数和(自身を除く): 35819364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255851, 511702, 767553, 1023404, 1535106, 1790957, 3070212, 3581914, 5372871, 7163828, 10745742, 21491484]

約数ペア:

[(1, 21491484), (2, 10745742), (3, 7163828), (4, 5372871), (6, 3581914), (7, 3070212), (12, 1790957), (14, 1535106), (21, 1023404), (28, 767553), (42, 511702), (84, 255851)]