21127480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48017}}^1$

素因数の和:48039

約数の個数: 32

約数和(自身を含む): 51859440

約数和(自身を除く): 30731960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48017, 96034, 192068, 240085, 384136, 480170, 528187, 960340, 1056374, 1920680, 2112748, 2640935, 4225496, 5281870, 10563740, 21127480]

約数ペア:

[(1, 21127480), (2, 10563740), (4, 5281870), (5, 4225496), (8, 2640935), (10, 2112748), (11, 1920680), (20, 1056374), (22, 960340), (40, 528187), (44, 480170), (55, 384136), (88, 240085), (110, 192068), (220, 96034), (440, 48017)]