21005616

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9311}}^1$

素因数の和:9369

約数の個数: 40

約数和(自身を含む): 55425024

約数和(自身を除く): 34419408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9311, 18622, 27933, 37244, 55866, 74488, 111732, 148976, 223464, 437617, 446928, 875234, 1312851, 1750468, 2625702, 3500936, 5251404, 7001872, 10502808, 21005616]

約数ペア:

[(1, 21005616), (2, 10502808), (3, 7001872), (4, 5251404), (6, 3500936), (8, 2625702), (12, 1750468), (16, 1312851), (24, 875234), (47, 446928), (48, 437617), (94, 223464), (141, 148976), (188, 111732), (282, 74488), (376, 55866), (564, 37244), (752, 27933), (1128, 18622), (2256, 9311)]