21063560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75227}}^1$

素因数の和:75245

約数の個数: 32

約数和(自身を含む): 54164160

約数和(自身を除く): 33100600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75227, 150454, 300908, 376135, 526589, 601816, 752270, 1053178, 1504540, 2106356, 2632945, 3009080, 4212712, 5265890, 10531780, 21063560]

約数ペア:

[(1, 21063560), (2, 10531780), (4, 5265890), (5, 4212712), (7, 3009080), (8, 2632945), (10, 2106356), (14, 1504540), (20, 1053178), (28, 752270), (35, 601816), (40, 526589), (56, 376135), (70, 300908), (140, 150454), (280, 75227)]