21138264

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41941}}^1$

素因数の和:41960

約数の個数: 48

約数和(自身を含む): 65429520

約数和(自身を除く): 44291256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41941, 83882, 125823, 167764, 251646, 293587, 335528, 377469, 503292, 587174, 754938, 880761, 1006584, 1174348, 1509876, 1761522, 2348696, 2642283, 3019752, 3523044, 5284566, 7046088, 10569132, 21138264]

約数ペア:

[(1, 21138264), (2, 10569132), (3, 7046088), (4, 5284566), (6, 3523044), (7, 3019752), (8, 2642283), (9, 2348696), (12, 1761522), (14, 1509876), (18, 1174348), (21, 1006584), (24, 880761), (28, 754938), (36, 587174), (42, 503292), (56, 377469), (63, 335528), (72, 293587), (84, 251646), (126, 167764), (168, 125823), (252, 83882), (504, 41941)]