21772856

素因数分解:

$2^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 48256200

約数和(自身を除く): 26483344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 196, 268, 392, 469, 536, 829, 938, 1658, 1876, 3283, 3316, 3752, 5803, 6566, 6632, 11606, 13132, 23212, 26264, 40621, 46424, 55543, 81242, 111086, 162484, 222172, 324968, 388801, 444344, 777602, 1555204, 2721607, 3110408, 5443214, 10886428, 21772856]

約数ペア:

[(1, 21772856), (2, 10886428), (4, 5443214), (7, 3110408), (8, 2721607), (14, 1555204), (28, 777602), (49, 444344), (56, 388801), (67, 324968), (98, 222172), (134, 162484), (196, 111086), (268, 81242), (392, 55543), (469, 46424), (536, 40621), (829, 26264), (938, 23212), (1658, 13132), (1876, 11606), (3283, 6632), (3316, 6566), (3752, 5803)]