21139848

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6247}}^1$

素因数の和:6306

約数の個数: 48

約数和(自身を含む): 58481280

約数和(自身を除く): 37341432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6247, 12494, 18741, 24988, 37482, 49976, 56223, 74964, 112446, 149928, 224892, 293609, 449784, 587218, 880827, 1174436, 1761654, 2348872, 2642481, 3523308, 5284962, 7046616, 10569924, 21139848]

約数ペア:

[(1, 21139848), (2, 10569924), (3, 7046616), (4, 5284962), (6, 3523308), (8, 2642481), (9, 2348872), (12, 1761654), (18, 1174436), (24, 880827), (36, 587218), (47, 449784), (72, 293609), (94, 224892), (141, 149928), (188, 112446), (282, 74964), (376, 56223), (423, 49976), (564, 37482), (846, 24988), (1128, 18741), (1692, 12494), (3384, 6247)]