21468584

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 44528400

約数和(自身を除く): 23059816

約数列:

[1, 2, 4, 8, 29, 37, 41, 58, 61, 74, 82, 116, 122, 148, 164, 232, 244, 296, 328, 488, 1073, 1189, 1517, 1769, 2146, 2257, 2378, 2501, 3034, 3538, 4292, 4514, 4756, 5002, 6068, 7076, 8584, 9028, 9512, 10004, 12136, 14152, 18056, 20008, 43993, 65453, 72529, 87986, 92537, 130906, 145058, 175972, 185074, 261812, 290116, 351944, 370148, 523624, 580232, 740296, 2683573, 5367146, 10734292, 21468584]

約数ペア:

[(1, 21468584), (2, 10734292), (4, 5367146), (8, 2683573), (29, 740296), (37, 580232), (41, 523624), (58, 370148), (61, 351944), (74, 290116), (82, 261812), (116, 185074), (122, 175972), (148, 145058), (164, 130906), (232, 92537), (244, 87986), (296, 72529), (328, 65453), (488, 43993), (1073, 20008), (1189, 18056), (1517, 14152), (1769, 12136), (2146, 10004), (2257, 9512), (2378, 9028), (2501, 8584), (3034, 7076), (3538, 6068), (4292, 5002), (4514, 4756)]