21001326120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{988763}}^1$

素因数の和:988839

約数の個数: 96

約数和(自身を含む): 69411232800

約数和(自身を除く): 48409906680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 3540, 4248, 5310, 7080, 10620, 21240, 988763, 1977526, 2966289, 3955052, 4943815, 5932578, 7910104, 8898867, 9887630, 11865156, 14831445, 17797734, 19775260, 23730312, 29662890, 35595468, 39550520, 44494335, 58337017, 59325780, 71190936, 88988670, 116674034, 118651560, 175011051, 177977340, 233348068, 291685085, 350022102, 355954680, 466696136, 525033153, 583370170, 700044204, 875055255, 1050066306, 1166740340, 1400088408, 1750110510, 2100132612, 2333480680, 2625165765, 3500221020, 4200265224, 5250331530, 7000442040, 10500663060, 21001326120]

約数ペア:

[(1, 21001326120), (2, 10500663060), (3, 7000442040), (4, 5250331530), (5, 4200265224), (6, 3500221020), (8, 2625165765), (9, 2333480680), (10, 2100132612), (12, 1750110510), (15, 1400088408), (18, 1166740340), (20, 1050066306), (24, 875055255), (30, 700044204), (36, 583370170), (40, 525033153), (45, 466696136), (59, 355954680), (60, 350022102), (72, 291685085), (90, 233348068), (118, 177977340), (120, 175011051), (177, 118651560), (180, 116674034), (236, 88988670), (295, 71190936), (354, 59325780), (360, 58337017), (472, 44494335), (531, 39550520), (590, 35595468), (708, 29662890), (885, 23730312), (1062, 19775260), (1180, 17797734), (1416, 14831445), (1770, 11865156), (2124, 9887630), (2360, 8898867), (2655, 7910104), (3540, 5932578), (4248, 4943815), (5310, 3955052), (7080, 2966289), (10620, 1977526), (21240, 988763)]