21087750838

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{1033}}^1$

素因数の和:1742

約数の個数: 96

約数和(自身を含む): 41629088160

約数和(自身を除く): 20541337322

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 653, 1033, 1078, 1306, 1421, 2066, 2233, 2842, 4466, 4571, 7183, 7231, 9142, 11363, 14366, 14462, 15631, 18937, 22726, 29957, 31262, 31997, 37874, 50281, 50617, 59914, 63994, 79541, 100562, 101234, 132559, 159082, 208307, 209699, 265118, 329527, 351967, 416614, 419398, 556787, 659054, 674549, 703934, 927913, 1113574, 1349098, 1458149, 1467893, 1855826, 2306689, 2916298, 2935786, 4613378, 4721843, 7420039, 9443686, 10207043, 14840078, 16146823, 19561921, 20414086, 32293646, 33052901, 39123842, 51940273, 66105802, 103880546, 136933447, 215181131, 273866894, 363581911, 430362262, 727163822, 958534129, 1506267917, 1917068258, 3012535834, 10543875419, 21087750838]

約数ペア:

[(1, 21087750838), (2, 10543875419), (7, 3012535834), (11, 1917068258), (14, 1506267917), (22, 958534129), (29, 727163822), (49, 430362262), (58, 363581911), (77, 273866894), (98, 215181131), (154, 136933447), (203, 103880546), (319, 66105802), (406, 51940273), (539, 39123842), (638, 33052901), (653, 32293646), (1033, 20414086), (1078, 19561921), (1306, 16146823), (1421, 14840078), (2066, 10207043), (2233, 9443686), (2842, 7420039), (4466, 4721843), (4571, 4613378), (7183, 2935786), (7231, 2916298), (9142, 2306689), (11363, 1855826), (14366, 1467893), (14462, 1458149), (15631, 1349098), (18937, 1113574), (22726, 927913), (29957, 703934), (31262, 674549), (31997, 659054), (37874, 556787), (50281, 419398), (50617, 416614), (59914, 351967), (63994, 329527), (79541, 265118), (100562, 209699), (101234, 208307), (132559, 159082)]