21508715904

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4308637}}^1$

素因数の和:4308667

約数の個数: 64

約数和(自身を含む): 61527350640

約数和(自身を除く): 40018634736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4992, 4308637, 8617274, 12925911, 17234548, 25851822, 34469096, 51703644, 56012281, 68938192, 103407288, 112024562, 137876384, 168036843, 206814576, 224049124, 275752768, 336073686, 413629152, 448098248, 551505536, 672147372, 827258304, 896196496, 1344294744, 1654516608, 1792392992, 2688589488, 3584785984, 5377178976, 7169571968, 10754357952, 21508715904]

約数ペア:

[(1, 21508715904), (2, 10754357952), (3, 7169571968), (4, 5377178976), (6, 3584785984), (8, 2688589488), (12, 1792392992), (13, 1654516608), (16, 1344294744), (24, 896196496), (26, 827258304), (32, 672147372), (39, 551505536), (48, 448098248), (52, 413629152), (64, 336073686), (78, 275752768), (96, 224049124), (104, 206814576), (128, 168036843), (156, 137876384), (192, 112024562), (208, 103407288), (312, 68938192), (384, 56012281), (416, 51703644), (624, 34469096), (832, 25851822), (1248, 17234548), (1664, 12925911), (2496, 8617274), (4992, 4308637)]