21615705045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{9491}}^1$

素因数の和:9663

約数の個数: 96

約数和(自身を含む): 42219201024

約数和(自身を除く): 20603495979

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 107, 129, 165, 215, 321, 387, 473, 495, 535, 645, 963, 1177, 1419, 1605, 1935, 2365, 3531, 4257, 4601, 4815, 5885, 7095, 9491, 10593, 13803, 17655, 21285, 23005, 28473, 41409, 47455, 50611, 52965, 69015, 85419, 104401, 142365, 151833, 207045, 253055, 313203, 408113, 427095, 455499, 522005, 759165, 939609, 1015537, 1224339, 1566015, 2040565, 2277495, 3046611, 3673017, 4489243, 4698045, 5077685, 6121695, 9139833, 11170907, 13467729, 15233055, 18365085, 22446215, 33512721, 40403187, 43668091, 45699165, 55854535, 67338645, 100538163, 131004273, 167563605, 202015935, 218340455, 393012819, 480349001, 502690815, 655021365, 1441047003, 1965064095, 2401745005, 4323141009, 7205235015, 21615705045]

約数ペア:

[(1, 21615705045), (3, 7205235015), (5, 4323141009), (9, 2401745005), (11, 1965064095), (15, 1441047003), (33, 655021365), (43, 502690815), (45, 480349001), (55, 393012819), (99, 218340455), (107, 202015935), (129, 167563605), (165, 131004273), (215, 100538163), (321, 67338645), (387, 55854535), (473, 45699165), (495, 43668091), (535, 40403187), (645, 33512721), (963, 22446215), (1177, 18365085), (1419, 15233055), (1605, 13467729), (1935, 11170907), (2365, 9139833), (3531, 6121695), (4257, 5077685), (4601, 4698045), (4815, 4489243), (5885, 3673017), (7095, 3046611), (9491, 2277495), (10593, 2040565), (13803, 1566015), (17655, 1224339), (21285, 1015537), (23005, 939609), (28473, 759165), (41409, 522005), (47455, 455499), (50611, 427095), (52965, 408113), (69015, 313203), (85419, 253055), (104401, 207045), (142365, 151833)]