21771252

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{1579}}^1$

素因数の和:1972

約数の個数: 36

約数和(自身を含む): 55211520

約数和(自身を除く): 33440268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1532, 1579, 2298, 3158, 3447, 4596, 4737, 6316, 6894, 9474, 13788, 14211, 18948, 28422, 56844, 604757, 1209514, 1814271, 2419028, 3628542, 5442813, 7257084, 10885626, 21771252]

約数ペア:

[(1, 21771252), (2, 10885626), (3, 7257084), (4, 5442813), (6, 3628542), (9, 2419028), (12, 1814271), (18, 1209514), (36, 604757), (383, 56844), (766, 28422), (1149, 18948), (1532, 14211), (1579, 13788), (2298, 9474), (3158, 6894), (3447, 6316), (4596, 4737)]