21103324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 22170116

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 317, 356, 374, 634, 748, 979, 1268, 1513, 1958, 3026, 3487, 3916, 5389, 6052, 6974, 10778, 13948, 16643, 21556, 28213, 33286, 56426, 59279, 66572, 112852, 118558, 237116, 310343, 479621, 620686, 959242, 1241372, 1918484, 5275831, 10551662, 21103324]

約数ペア:

[(1, 21103324), (2, 10551662), (4, 5275831), (11, 1918484), (17, 1241372), (22, 959242), (34, 620686), (44, 479621), (68, 310343), (89, 237116), (178, 118558), (187, 112852), (317, 66572), (356, 59279), (374, 56426), (634, 33286), (748, 28213), (979, 21556), (1268, 16643), (1513, 13948), (1958, 10778), (3026, 6974), (3487, 6052), (3916, 5389)]