21473144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3169}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 50593200

約数和(自身を除く): 29120056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3169, 3388, 6338, 6776, 12676, 22183, 25352, 34859, 44366, 69718, 88732, 139436, 177464, 244013, 278872, 383449, 488026, 766898, 976052, 1533796, 1952104, 2684143, 3067592, 5368286, 10736572, 21473144]

約数ペア:

[(1, 21473144), (2, 10736572), (4, 5368286), (7, 3067592), (8, 2684143), (11, 1952104), (14, 1533796), (22, 976052), (28, 766898), (44, 488026), (56, 383449), (77, 278872), (88, 244013), (121, 177464), (154, 139436), (242, 88732), (308, 69718), (484, 44366), (616, 34859), (847, 25352), (968, 22183), (1694, 12676), (3169, 6776), (3388, 6338)]