21418292

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 44553600

約数和(自身を除く): 23135308

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 233, 268, 343, 466, 469, 686, 932, 938, 1372, 1631, 1876, 3262, 3283, 6524, 6566, 11417, 13132, 15611, 22834, 22981, 31222, 45668, 45962, 62444, 79919, 91924, 109277, 159838, 218554, 319676, 437108, 764939, 1529878, 3059756, 5354573, 10709146, 21418292]

約数ペア:

[(1, 21418292), (2, 10709146), (4, 5354573), (7, 3059756), (14, 1529878), (28, 764939), (49, 437108), (67, 319676), (98, 218554), (134, 159838), (196, 109277), (233, 91924), (268, 79919), (343, 62444), (466, 45962), (469, 45668), (686, 31222), (932, 22981), (938, 22834), (1372, 15611), (1631, 13132), (1876, 11417), (3262, 6566), (3283, 6524)]