21924658

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 40777344

約数和(自身を除く): 18852686

約数列:

[1, 2, 7, 14, 23, 46, 49, 71, 98, 137, 142, 161, 274, 322, 497, 959, 994, 1127, 1633, 1918, 2254, 3151, 3266, 3479, 6302, 6713, 6958, 9727, 11431, 13426, 19454, 22057, 22862, 44114, 68089, 80017, 136178, 154399, 160034, 223721, 308798, 447442, 476623, 953246, 1566047, 3132094, 10962329, 21924658]

約数ペア:

[(1, 21924658), (2, 10962329), (7, 3132094), (14, 1566047), (23, 953246), (46, 476623), (49, 447442), (71, 308798), (98, 223721), (137, 160034), (142, 154399), (161, 136178), (274, 80017), (322, 68089), (497, 44114), (959, 22862), (994, 22057), (1127, 19454), (1633, 13426), (1918, 11431), (2254, 9727), (3151, 6958), (3266, 6713), (3479, 6302)]