21015876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14717}}^1$

素因数の和:14748

約数の個数: 48

約数和(自身を含む): 59342976

約数和(自身を除く): 38327100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14717, 29434, 44151, 58868, 88302, 103019, 176604, 206038, 250189, 309057, 412076, 500378, 618114, 750567, 1000756, 1236228, 1501134, 1751323, 3002268, 3502646, 5253969, 7005292, 10507938, 21015876]

約数ペア:

[(1, 21015876), (2, 10507938), (3, 7005292), (4, 5253969), (6, 3502646), (7, 3002268), (12, 1751323), (14, 1501134), (17, 1236228), (21, 1000756), (28, 750567), (34, 618114), (42, 500378), (51, 412076), (68, 309057), (84, 250189), (102, 206038), (119, 176604), (204, 103019), (238, 88302), (357, 58868), (476, 44151), (714, 29434), (1428, 14717)]