21353844

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77369}}^1$

素因数の和:77399

約数の個数: 24

約数和(自身を含む): 51992640

約数和(自身を除く): 30638796

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77369, 154738, 232107, 309476, 464214, 928428, 1779487, 3558974, 5338461, 7117948, 10676922, 21353844]

約数ペア:

[(1, 21353844), (2, 10676922), (3, 7117948), (4, 5338461), (6, 3558974), (12, 1779487), (23, 928428), (46, 464214), (69, 309476), (92, 232107), (138, 154738), (276, 77369)]