21232337360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1074511}}^1$

素因数の和:1074556

約数の個数: 80

約数和(自身を含む): 55960584960

約数和(自身を除く): 34728247600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 1074511, 2149022, 4298044, 5372555, 8596088, 10745110, 13968643, 17192176, 20415709, 21490220, 27937286, 40831418, 42980440, 55874572, 69843215, 81662836, 85960880, 102078545, 111749144, 139686430, 163325672, 204157090, 223498288, 265404217, 279372860, 326651344, 408314180, 530808434, 558745720, 816628360, 1061616868, 1117491440, 1327021085, 1633256720, 2123233736, 2654042170, 4246467472, 5308084340, 10616168680, 21232337360]

約数ペア:

[(1, 21232337360), (2, 10616168680), (4, 5308084340), (5, 4246467472), (8, 2654042170), (10, 2123233736), (13, 1633256720), (16, 1327021085), (19, 1117491440), (20, 1061616868), (26, 816628360), (38, 558745720), (40, 530808434), (52, 408314180), (65, 326651344), (76, 279372860), (80, 265404217), (95, 223498288), (104, 204157090), (130, 163325672), (152, 139686430), (190, 111749144), (208, 102078545), (247, 85960880), (260, 81662836), (304, 69843215), (380, 55874572), (494, 42980440), (520, 40831418), (760, 27937286), (988, 21490220), (1040, 20415709), (1235, 17192176), (1520, 13968643), (1976, 10745110), (2470, 8596088), (3952, 5372555), (4940, 4298044), (9880, 2149022), (19760, 1074511)]