21185388

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9341}}^1$

素因数の和:9364

約数の個数: 60

約数和(自身を含む): 63301392

約数和(自身を除く): 42116004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9341, 18682, 28023, 37364, 56046, 65387, 84069, 112092, 130774, 168138, 196161, 252207, 261548, 336276, 392322, 504414, 588483, 756621, 784644, 1008828, 1176966, 1513242, 1765449, 2353932, 3026484, 3530898, 5296347, 7061796, 10592694, 21185388]

約数ペア:

[(1, 21185388), (2, 10592694), (3, 7061796), (4, 5296347), (6, 3530898), (7, 3026484), (9, 2353932), (12, 1765449), (14, 1513242), (18, 1176966), (21, 1008828), (27, 784644), (28, 756621), (36, 588483), (42, 504414), (54, 392322), (63, 336276), (81, 261548), (84, 252207), (108, 196161), (126, 168138), (162, 130774), (189, 112092), (252, 84069), (324, 65387), (378, 56046), (567, 37364), (756, 28023), (1134, 18682), (2268, 9341)]