21604374

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 32240106

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 983, 999, 1221, 1966, 1998, 2442, 2949, 3663, 5898, 7326, 8847, 10813, 10989, 17694, 21626, 21978, 26541, 32439, 36371, 53082, 64878, 72742, 97317, 109113, 194634, 218226, 291951, 327339, 400081, 583902, 654678, 800162, 982017, 1200243, 1964034, 2400486, 3600729, 7201458, 10802187, 21604374]

約数ペア:

[(1, 21604374), (2, 10802187), (3, 7201458), (6, 3600729), (9, 2400486), (11, 1964034), (18, 1200243), (22, 982017), (27, 800162), (33, 654678), (37, 583902), (54, 400081), (66, 327339), (74, 291951), (99, 218226), (111, 194634), (198, 109113), (222, 97317), (297, 72742), (333, 64878), (407, 53082), (594, 36371), (666, 32439), (814, 26541), (983, 21978), (999, 21626), (1221, 17694), (1966, 10989), (1998, 10813), (2442, 8847), (2949, 7326), (3663, 5898)]