21003712

素因数分解:

$2^6\times {\mathrm{307}}^1\times {\mathrm{1069}}^1$

素因数の和:1388

約数の個数: 28

約数和(自身を含む): 41854120

約数和(自身を除く): 20850408

約数列:

[1, 2, 4, 8, 16, 32, 64, 307, 614, 1069, 1228, 2138, 2456, 4276, 4912, 8552, 9824, 17104, 19648, 34208, 68416, 328183, 656366, 1312732, 2625464, 5250928, 10501856, 21003712]

約数ペア:

[(1, 21003712), (2, 10501856), (4, 5250928), (8, 2625464), (16, 1312732), (32, 656366), (64, 328183), (307, 68416), (614, 34208), (1069, 19648), (1228, 17104), (2138, 9824), (2456, 8552), (4276, 4912)]