21114885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1845

約数の個数: 32

約数和(自身を含む): 37381248

約数和(自身を除く): 16266363

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1753, 2409, 4015, 5259, 8765, 12045, 19283, 26295, 57849, 96415, 127969, 289245, 383907, 639845, 1407659, 1919535, 4222977, 7038295, 21114885]

約数ペア:

[(1, 21114885), (3, 7038295), (5, 4222977), (11, 1919535), (15, 1407659), (33, 639845), (55, 383907), (73, 289245), (165, 127969), (219, 96415), (365, 57849), (803, 26295), (1095, 19283), (1753, 12045), (2409, 8765), (4015, 5259)]