21509688

素因数分解:

$2^3\times 3^1\times {\mathrm{223}}^1\times {\mathrm{4019}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 54028800

約数和(自身を除く): 32519112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 223, 446, 669, 892, 1338, 1784, 2676, 4019, 5352, 8038, 12057, 16076, 24114, 32152, 48228, 96456, 896237, 1792474, 2688711, 3584948, 5377422, 7169896, 10754844, 21509688]

約数ペア:

[(1, 21509688), (2, 10754844), (3, 7169896), (4, 5377422), (6, 3584948), (8, 2688711), (12, 1792474), (24, 896237), (223, 96456), (446, 48228), (669, 32152), (892, 24114), (1338, 16076), (1784, 12057), (2676, 8038), (4019, 5352)]