21584948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 49693056

約数和(自身を除く): 28108108

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 277, 308, 322, 484, 506, 554, 644, 847, 1012, 1108, 1694, 1771, 1939, 2783, 3047, 3388, 3542, 3878, 5566, 6094, 6371, 7084, 7756, 11132, 12188, 12742, 19481, 21329, 25484, 33517, 38962, 42658, 44597, 67034, 70081, 77924, 85316, 89194, 134068, 140162, 178388, 234619, 280324, 469238, 490567, 770891, 938476, 981134, 1541782, 1962268, 3083564, 5396237, 10792474, 21584948]

約数ペア:

[(1, 21584948), (2, 10792474), (4, 5396237), (7, 3083564), (11, 1962268), (14, 1541782), (22, 981134), (23, 938476), (28, 770891), (44, 490567), (46, 469238), (77, 280324), (92, 234619), (121, 178388), (154, 140162), (161, 134068), (242, 89194), (253, 85316), (277, 77924), (308, 70081), (322, 67034), (484, 44597), (506, 42658), (554, 38962), (644, 33517), (847, 25484), (1012, 21329), (1108, 19481), (1694, 12742), (1771, 12188), (1939, 11132), (2783, 7756), (3047, 7084), (3388, 6371), (3542, 6094), (3878, 5566)]