21866680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49697}}^1$

素因数の和:49719

約数の個数: 32

約数和(自身を含む): 53673840

約数和(自身を除く): 31807160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49697, 99394, 198788, 248485, 397576, 496970, 546667, 993940, 1093334, 1987880, 2186668, 2733335, 4373336, 5466670, 10933340, 21866680]

約数ペア:

[(1, 21866680), (2, 10933340), (4, 5466670), (5, 4373336), (8, 2733335), (10, 2186668), (11, 1987880), (20, 1093334), (22, 993940), (40, 546667), (44, 496970), (55, 397576), (88, 248485), (110, 198788), (220, 99394), (440, 49697)]