21900536

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1487}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 25239304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1487, 1841, 2104, 2974, 3682, 5948, 7364, 10409, 11896, 14728, 20818, 41636, 83272, 391081, 782162, 1564324, 2737567, 3128648, 5475134, 10950268, 21900536]

約数ペア:

[(1, 21900536), (2, 10950268), (4, 5475134), (7, 3128648), (8, 2737567), (14, 1564324), (28, 782162), (56, 391081), (263, 83272), (526, 41636), (1052, 20818), (1487, 14728), (1841, 11896), (2104, 10409), (2974, 7364), (3682, 5948)]