21157896

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18757}}^1$

素因数の和:18813

約数の個数: 32

約数和(自身を含む): 54023040

約数和(自身を除く): 32865144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18757, 37514, 56271, 75028, 112542, 150056, 225084, 450168, 881579, 1763158, 2644737, 3526316, 5289474, 7052632, 10578948, 21157896]

約数ペア:

[(1, 21157896), (2, 10578948), (3, 7052632), (4, 5289474), (6, 3526316), (8, 2644737), (12, 1763158), (24, 881579), (47, 450168), (94, 225084), (141, 150056), (188, 112542), (282, 75028), (376, 56271), (564, 37514), (1128, 18757)]