21880452870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^2\times {\mathrm{12583}}^1$

素因数の和:12874

約数の個数: 72

約数和(自身を含む): 57305950416

約数和(自身を除く): 35425497546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510, 12583, 19321, 25166, 37749, 38642, 57963, 62915, 75498, 96605, 113247, 115926, 125830, 173889, 188745, 193210, 226494, 289815, 347778, 377490, 566235, 579630, 869445, 1132470, 1738890, 1749037, 3498074, 5247111, 8745185, 10494222, 15741333, 17490370, 26235555, 31482666, 52471110, 78706665, 157413330, 243116143, 486232286, 729348429, 1215580715, 1458696858, 2188045287, 2431161430, 3646742145, 4376090574, 7293484290, 10940226435, 21880452870]

約数ペア:

[(1, 21880452870), (2, 10940226435), (3, 7293484290), (5, 4376090574), (6, 3646742145), (9, 2431161430), (10, 2188045287), (15, 1458696858), (18, 1215580715), (30, 729348429), (45, 486232286), (90, 243116143), (139, 157413330), (278, 78706665), (417, 52471110), (695, 31482666), (834, 26235555), (1251, 17490370), (1390, 15741333), (2085, 10494222), (2502, 8745185), (4170, 5247111), (6255, 3498074), (12510, 1749037), (12583, 1738890), (19321, 1132470), (25166, 869445), (37749, 579630), (38642, 566235), (57963, 377490), (62915, 347778), (75498, 289815), (96605, 226494), (113247, 193210), (115926, 188745), (125830, 173889)]