21183888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 60906816

約数和(自身を除く): 39722928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 132, 159, 176, 212, 264, 318, 424, 528, 583, 636, 757, 848, 1166, 1272, 1514, 1749, 2271, 2332, 2544, 3028, 3498, 4542, 4664, 6056, 6996, 8327, 9084, 9328, 12112, 13992, 16654, 18168, 24981, 27984, 33308, 36336, 40121, 49962, 66616, 80242, 99924, 120363, 133232, 160484, 199848, 240726, 320968, 399696, 441331, 481452, 641936, 882662, 962904, 1323993, 1765324, 1925808, 2647986, 3530648, 5295972, 7061296, 10591944, 21183888]

約数ペア:

[(1, 21183888), (2, 10591944), (3, 7061296), (4, 5295972), (6, 3530648), (8, 2647986), (11, 1925808), (12, 1765324), (16, 1323993), (22, 962904), (24, 882662), (33, 641936), (44, 481452), (48, 441331), (53, 399696), (66, 320968), (88, 240726), (106, 199848), (132, 160484), (159, 133232), (176, 120363), (212, 99924), (264, 80242), (318, 66616), (424, 49962), (528, 40121), (583, 36336), (636, 33308), (757, 27984), (848, 24981), (1166, 18168), (1272, 16654), (1514, 13992), (1749, 12112), (2271, 9328), (2332, 9084), (2544, 8327), (3028, 6996), (3498, 6056), (4542, 4664)]