21078882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3671}}^1$

素因数の和:3719

約数の個数: 48

約数和(自身を含む): 51554880

約数和(自身を除く): 30475998

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 261, 319, 522, 638, 957, 1914, 2871, 3671, 5742, 7342, 11013, 22026, 33039, 40381, 66078, 80762, 106459, 121143, 212918, 242286, 319377, 363429, 638754, 726858, 958131, 1171049, 1916262, 2342098, 3513147, 7026294, 10539441, 21078882]

約数ペア:

[(1, 21078882), (2, 10539441), (3, 7026294), (6, 3513147), (9, 2342098), (11, 1916262), (18, 1171049), (22, 958131), (29, 726858), (33, 638754), (58, 363429), (66, 319377), (87, 242286), (99, 212918), (174, 121143), (198, 106459), (261, 80762), (319, 66078), (522, 40381), (638, 33039), (957, 22026), (1914, 11013), (2871, 7342), (3671, 5742)]