21564228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15101}}^1$

素因数の和:15132

約数の個数: 48

約数和(自身を含む): 60891264

約数和(自身を除く): 39327036

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, 15101, 30202, 45303, 60404, 90606, 105707, 181212, 211414, 256717, 317121, 422828, 513434, 634242, 770151, 1026868, 1268484, 1540302, 1797019, 3080604, 3594038, 5391057, 7188076, 10782114, 21564228]

約数ペア:

[(1, 21564228), (2, 10782114), (3, 7188076), (4, 5391057), (6, 3594038), (7, 3080604), (12, 1797019), (14, 1540302), (17, 1268484), (21, 1026868), (28, 770151), (34, 634242), (42, 513434), (51, 422828), (68, 317121), (84, 256717), (102, 211414), (119, 181212), (204, 105707), (238, 90606), (357, 60404), (476, 45303), (714, 30202), (1428, 15101)]