21542388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{761}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 57692544

約数和(自身を除く): 36150156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 337, 674, 761, 1011, 1348, 1522, 2022, 2283, 2359, 3044, 4044, 4566, 4718, 5327, 7077, 9132, 9436, 10654, 14154, 15981, 21308, 28308, 31962, 63924, 256457, 512914, 769371, 1025828, 1538742, 1795199, 3077484, 3590398, 5385597, 7180796, 10771194, 21542388]

約数ペア:

[(1, 21542388), (2, 10771194), (3, 7180796), (4, 5385597), (6, 3590398), (7, 3077484), (12, 1795199), (14, 1538742), (21, 1025828), (28, 769371), (42, 512914), (84, 256457), (337, 63924), (674, 31962), (761, 28308), (1011, 21308), (1348, 15981), (1522, 14154), (2022, 10654), (2283, 9436), (2359, 9132), (3044, 7077), (4044, 5327), (4566, 4718)]