21637156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{49807}}^1$

素因数の和:49959

約数の個数: 96

約数和(自身を含む): 54222981120

約数和(自身を除く): 32585824180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 107, 116, 140, 145, 203, 214, 290, 406, 428, 535, 580, 749, 812, 1015, 1070, 1498, 2030, 2140, 2996, 3103, 3745, 4060, 6206, 7490, 12412, 14980, 15515, 21721, 31030, 43442, 49807, 62060, 86884, 99614, 108605, 199228, 217210, 249035, 348649, 434420, 498070, 697298, 996140, 1394596, 1444403, 1743245, 2888806, 3486490, 5329349, 5777612, 6972980, 7222015, 10110821, 10658698, 14444030, 20221642, 21317396, 26646745, 28888060, 37305443, 40443284, 50554105, 53293490, 74610886, 101108210, 106586980, 149221772, 154551121, 186527215, 202216420, 309102242, 373054430, 618204484, 746108860, 772755605, 1081857847, 1545511210, 2163715694, 3091022420, 4327431388, 5409289235, 10818578470, 21637156940]

約数ペア:

[(1, 21637156940), (2, 10818578470), (4, 5409289235), (5, 4327431388), (7, 3091022420), (10, 2163715694), (14, 1545511210), (20, 1081857847), (28, 772755605), (29, 746108860), (35, 618204484), (58, 373054430), (70, 309102242), (107, 202216420), (116, 186527215), (140, 154551121), (145, 149221772), (203, 106586980), (214, 101108210), (290, 74610886), (406, 53293490), (428, 50554105), (535, 40443284), (580, 37305443), (749, 28888060), (812, 26646745), (1015, 21317396), (1070, 20221642), (1498, 14444030), (2030, 10658698), (2140, 10110821), (2996, 7222015), (3103, 6972980), (3745, 5777612), (4060, 5329349), (6206, 3486490), (7490, 2888806), (12412, 1743245), (14980, 1444403), (15515, 1394596), (21721, 996140), (31030, 697298), (43442, 498070), (49807, 434420), (62060, 348649), (86884, 249035), (99614, 217210), (108605, 199228)]