21982878

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 27078498

約数列:

[1, 2, 3, 6, 9, 18, 71, 103, 142, 167, 206, 213, 309, 334, 426, 501, 618, 639, 927, 1002, 1278, 1503, 1854, 3006, 7313, 11857, 14626, 17201, 21939, 23714, 34402, 35571, 43878, 51603, 65817, 71142, 103206, 106713, 131634, 154809, 213426, 309618, 1221271, 2442542, 3663813, 7327626, 10991439, 21982878]

約数ペア:

[(1, 21982878), (2, 10991439), (3, 7327626), (6, 3663813), (9, 2442542), (18, 1221271), (71, 309618), (103, 213426), (142, 154809), (167, 131634), (206, 106713), (213, 103206), (309, 71142), (334, 65817), (426, 51603), (501, 43878), (618, 35571), (639, 34402), (927, 23714), (1002, 21939), (1278, 17201), (1503, 14626), (1854, 11857), (3006, 7313)]