21868550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39761}}^1$

素因数の和:39784

約数の個数: 24

約数和(自身を含む): 44374392

約数和(自身を除く): 22505842

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39761, 79522, 198805, 397610, 437371, 874742, 994025, 1988050, 2186855, 4373710, 10934275, 21868550]

約数ペア:

[(1, 21868550), (2, 10934275), (5, 4373710), (10, 2186855), (11, 1988050), (22, 994025), (25, 874742), (50, 437371), (55, 397610), (110, 198805), (275, 79522), (550, 39761)]