21348420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{929}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 38647740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 929, 1149, 1532, 1858, 1915, 2298, 2787, 3716, 3830, 4596, 4645, 5574, 5745, 7660, 9290, 11148, 11490, 13935, 18580, 22980, 27870, 55740, 355807, 711614, 1067421, 1423228, 1779035, 2134842, 3558070, 4269684, 5337105, 7116140, 10674210, 21348420]

約数ペア:

[(1, 21348420), (2, 10674210), (3, 7116140), (4, 5337105), (5, 4269684), (6, 3558070), (10, 2134842), (12, 1779035), (15, 1423228), (20, 1067421), (30, 711614), (60, 355807), (383, 55740), (766, 27870), (929, 22980), (1149, 18580), (1532, 13935), (1858, 11490), (1915, 11148), (2298, 9290), (2787, 7660), (3716, 5745), (3830, 5574), (4596, 4645)]