21900252

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 56052864

約数和(自身を除く): 34152612

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 251, 502, 661, 753, 1004, 1322, 1506, 1983, 2644, 2761, 3012, 3966, 5522, 7271, 7932, 8283, 11044, 14542, 16566, 21813, 29084, 33132, 43626, 87252, 165911, 331822, 497733, 663644, 995466, 1825021, 1990932, 3650042, 5475063, 7300084, 10950126, 21900252]

約数ペア:

[(1, 21900252), (2, 10950126), (3, 7300084), (4, 5475063), (6, 3650042), (11, 1990932), (12, 1825021), (22, 995466), (33, 663644), (44, 497733), (66, 331822), (132, 165911), (251, 87252), (502, 43626), (661, 33132), (753, 29084), (1004, 21813), (1322, 16566), (1506, 14542), (1983, 11044), (2644, 8283), (2761, 7932), (3012, 7271), (3966, 5522)]