21807621550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{105173}}^1$

素因数の和:105238

約数の個数: 96

約数和(自身を含む): 49297157280

約数和(自身を除く): 27489535730

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 29, 50, 55, 58, 65, 110, 130, 143, 145, 275, 286, 290, 319, 325, 377, 550, 638, 650, 715, 725, 754, 1430, 1450, 1595, 1885, 3190, 3575, 3770, 4147, 7150, 7975, 8294, 9425, 15950, 18850, 20735, 41470, 103675, 105173, 207350, 210346, 525865, 1051730, 1156903, 1367249, 2313806, 2629325, 2734498, 3050017, 5258650, 5784515, 6100034, 6836245, 11569030, 13672490, 15039739, 15250085, 28922575, 30079478, 30500170, 33550187, 34181225, 39650221, 57845150, 67100374, 68362450, 75198695, 76250425, 79300442, 150397390, 152500850, 167750935, 198251105, 335501870, 375993475, 396502210, 436152431, 751986950, 838754675, 872304862, 991255525, 1677509350, 1982511050, 2180762155, 4361524310, 10903810775, 21807621550]

約数ペア:

[(1, 21807621550), (2, 10903810775), (5, 4361524310), (10, 2180762155), (11, 1982511050), (13, 1677509350), (22, 991255525), (25, 872304862), (26, 838754675), (29, 751986950), (50, 436152431), (55, 396502210), (58, 375993475), (65, 335501870), (110, 198251105), (130, 167750935), (143, 152500850), (145, 150397390), (275, 79300442), (286, 76250425), (290, 75198695), (319, 68362450), (325, 67100374), (377, 57845150), (550, 39650221), (638, 34181225), (650, 33550187), (715, 30500170), (725, 30079478), (754, 28922575), (1430, 15250085), (1450, 15039739), (1595, 13672490), (1885, 11569030), (3190, 6836245), (3575, 6100034), (3770, 5784515), (4147, 5258650), (7150, 3050017), (7975, 2734498), (8294, 2629325), (9425, 2313806), (15950, 1367249), (18850, 1156903), (20735, 1051730), (41470, 525865), (103675, 210346), (105173, 207350)]