21489528

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{19051}}^1$

素因数の和:19107

約数の個数: 32

約数和(自身を含む): 54869760

約数和(自身を除く): 33380232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 19051, 38102, 57153, 76204, 114306, 152408, 228612, 457224, 895397, 1790794, 2686191, 3581588, 5372382, 7163176, 10744764, 21489528]

約数ペア:

[(1, 21489528), (2, 10744764), (3, 7163176), (4, 5372382), (6, 3581588), (8, 2686191), (12, 1790794), (24, 895397), (47, 457224), (94, 228612), (141, 152408), (188, 114306), (282, 76204), (376, 57153), (564, 38102), (1128, 19051)]