21370052

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 41783280

約数和(自身を除く): 20413228

約数列:

[1, 2, 4, 11, 22, 44, 67, 121, 134, 242, 268, 484, 659, 737, 1318, 1474, 2636, 2948, 7249, 8107, 14498, 16214, 28996, 32428, 44153, 79739, 88306, 159478, 176612, 318956, 485683, 971366, 1942732, 5342513, 10685026, 21370052]

約数ペア:

[(1, 21370052), (2, 10685026), (4, 5342513), (11, 1942732), (22, 971366), (44, 485683), (67, 318956), (121, 176612), (134, 159478), (242, 88306), (268, 79739), (484, 44153), (659, 32428), (737, 28996), (1318, 16214), (1474, 14498), (2636, 8107), (2948, 7249)]