21197129200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{313567}}^1$

素因数の和:313611

約数の個数: 90

約数和(自身を含む): 55145009184

約数和(自身を除く): 33947879984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1040, 1300, 1352, 1690, 2600, 2704, 3380, 4225, 5200, 6760, 8450, 13520, 16900, 33800, 67600, 313567, 627134, 1254268, 1567835, 2508536, 3135670, 4076371, 5017072, 6271340, 7839175, 8152742, 12542680, 15678350, 16305484, 20381855, 25085360, 31356700, 32610968, 40763710, 52992823, 62713400, 65221936, 81527420, 101909275, 105985646, 125426800, 163054840, 203818550, 211971292, 264964115, 326109680, 407637100, 423942584, 529928230, 815274200, 847885168, 1059856460, 1324820575, 1630548400, 2119712920, 2649641150, 4239425840, 5299282300, 10598564600, 21197129200]

約数ペア:

[(1, 21197129200), (2, 10598564600), (4, 5299282300), (5, 4239425840), (8, 2649641150), (10, 2119712920), (13, 1630548400), (16, 1324820575), (20, 1059856460), (25, 847885168), (26, 815274200), (40, 529928230), (50, 423942584), (52, 407637100), (65, 326109680), (80, 264964115), (100, 211971292), (104, 203818550), (130, 163054840), (169, 125426800), (200, 105985646), (208, 101909275), (260, 81527420), (325, 65221936), (338, 62713400), (400, 52992823), (520, 40763710), (650, 32610968), (676, 31356700), (845, 25085360), (1040, 20381855), (1300, 16305484), (1352, 15678350), (1690, 12542680), (2600, 8152742), (2704, 7839175), (3380, 6271340), (4225, 5017072), (5200, 4076371), (6760, 3135670), (8450, 2508536), (13520, 1567835), (16900, 1254268), (33800, 627134), (67600, 313567)]