21866720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7193}}^1$

素因数の和:7227

約数の個数: 48

約数和(自身を含む): 54386640

約数和(自身を除く): 32519920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 7193, 14386, 28772, 35965, 57544, 71930, 115088, 136667, 143860, 230176, 273334, 287720, 546668, 575440, 683335, 1093336, 1150880, 1366670, 2186672, 2733340, 4373344, 5466680, 10933360, 21866720]

約数ペア:

[(1, 21866720), (2, 10933360), (4, 5466680), (5, 4373344), (8, 2733340), (10, 2186672), (16, 1366670), (19, 1150880), (20, 1093336), (32, 683335), (38, 575440), (40, 546668), (76, 287720), (80, 273334), (95, 230176), (152, 143860), (160, 136667), (190, 115088), (304, 71930), (380, 57544), (608, 35965), (760, 28772), (1520, 14386), (3040, 7193)]