21104022756088

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{801289}}^1$

素因数の和:801976

約数の個数: 64

約数和(自身を含む): 40656172536000

約数和(自身を除く): 19552149779912

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 521, 568, 712, 1042, 2084, 4168, 6319, 12638, 25276, 36991, 46369, 50552, 73982, 92738, 147964, 185476, 295928, 370952, 801289, 1602578, 3205156, 3292199, 6410312, 6584398, 13168796, 26337592, 56891519, 71314721, 113783038, 142629442, 227566076, 285258884, 417471569, 455132152, 570517768, 834943138, 1669886276, 3339772552, 5063345191, 10126690382, 20253380764, 29640481399, 37154969641, 40506761528, 59280962798, 74309939282, 118561925596, 148619878564, 237123851192, 297239757128, 2638002844511, 5276005689022, 10552011378044, 21104022756088]

約数ペア:

[(1, 21104022756088), (2, 10552011378044), (4, 5276005689022), (8, 2638002844511), (71, 297239757128), (89, 237123851192), (142, 148619878564), (178, 118561925596), (284, 74309939282), (356, 59280962798), (521, 40506761528), (568, 37154969641), (712, 29640481399), (1042, 20253380764), (2084, 10126690382), (4168, 5063345191), (6319, 3339772552), (12638, 1669886276), (25276, 834943138), (36991, 570517768), (46369, 455132152), (50552, 417471569), (73982, 285258884), (92738, 227566076), (147964, 142629442), (185476, 113783038), (295928, 71314721), (370952, 56891519), (801289, 26337592), (1602578, 13168796), (3205156, 6584398), (3292199, 6410312)]