21082004680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47913647}}^1$

素因数の和:47913669

約数の個数: 32

約数和(自身を含む): 51746739840

約数和(自身を除く): 30664735160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47913647, 95827294, 191654588, 239568235, 383309176, 479136470, 527050117, 958272940, 1054100234, 1916545880, 2108200468, 2635250585, 4216400936, 5270501170, 10541002340, 21082004680]

約数ペア:

[(1, 21082004680), (2, 10541002340), (4, 5270501170), (5, 4216400936), (8, 2635250585), (10, 2108200468), (11, 1916545880), (20, 1054100234), (22, 958272940), (40, 527050117), (44, 479136470), (55, 383309176), (88, 239568235), (110, 191654588), (220, 95827294), (440, 47913647)]