21000559503

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1314

約数の個数: 96

約数和(自身を含む): 36162380800

約数和(自身を除く): 15161821297

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 151, 231, 343, 363, 453, 539, 847, 1029, 1057, 1117, 1617, 1661, 2541, 3171, 3351, 3773, 4983, 5929, 7399, 7819, 11319, 11627, 12287, 17787, 18271, 22197, 23457, 34881, 36861, 41503, 51793, 54733, 54813, 81389, 86009, 124509, 127897, 135157, 155379, 164199, 168667, 244167, 258027, 383131, 383691, 405471, 506001, 569723, 602063, 895279, 946099, 1149393, 1180669, 1709169, 1806189, 1855337, 2685837, 2838297, 3542007, 4214441, 5566011, 6266953, 6622693, 8264683, 12643323, 12987359, 18800859, 19868079, 20408707, 24794049, 38962077, 46358851, 57852781, 61226121, 90911513, 139076553, 142860949, 173558343, 272734539, 428582847, 636380591, 1000026643, 1909141773, 3000079929, 7000186501, 21000559503]

約数ペア:

[(1, 21000559503), (3, 7000186501), (7, 3000079929), (11, 1909141773), (21, 1000026643), (33, 636380591), (49, 428582847), (77, 272734539), (121, 173558343), (147, 142860949), (151, 139076553), (231, 90911513), (343, 61226121), (363, 57852781), (453, 46358851), (539, 38962077), (847, 24794049), (1029, 20408707), (1057, 19868079), (1117, 18800859), (1617, 12987359), (1661, 12643323), (2541, 8264683), (3171, 6622693), (3351, 6266953), (3773, 5566011), (4983, 4214441), (5929, 3542007), (7399, 2838297), (7819, 2685837), (11319, 1855337), (11627, 1806189), (12287, 1709169), (17787, 1180669), (18271, 1149393), (22197, 946099), (23457, 895279), (34881, 602063), (36861, 569723), (41503, 506001), (51793, 405471), (54733, 383691), (54813, 383131), (81389, 258027), (86009, 244167), (124509, 168667), (127897, 164199), (135157, 155379)]