21431844

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28349}}^1$

素因数の和:28369

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 42072156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28349, 56698, 85047, 113396, 170094, 198443, 255141, 340188, 396886, 510282, 595329, 765423, 793772, 1020564, 1190658, 1530846, 1785987, 2381316, 3061692, 3571974, 5357961, 7143948, 10715922, 21431844]

約数ペア:

[(1, 21431844), (2, 10715922), (3, 7143948), (4, 5357961), (6, 3571974), (7, 3061692), (9, 2381316), (12, 1785987), (14, 1530846), (18, 1190658), (21, 1020564), (27, 793772), (28, 765423), (36, 595329), (42, 510282), (54, 396886), (63, 340188), (84, 255141), (108, 198443), (126, 170094), (189, 113396), (252, 85047), (378, 56698), (756, 28349)]