21203298

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 47713536

約数和(自身を除く): 26510238

約数列:

[1, 2, 3, 6, 9, 18, 47, 71, 94, 141, 142, 213, 282, 353, 423, 426, 639, 706, 846, 1059, 1278, 2118, 3177, 3337, 6354, 6674, 10011, 16591, 20022, 25063, 30033, 33182, 49773, 50126, 60066, 75189, 99546, 149319, 150378, 225567, 298638, 451134, 1177961, 2355922, 3533883, 7067766, 10601649, 21203298]

約数ペア:

[(1, 21203298), (2, 10601649), (3, 7067766), (6, 3533883), (9, 2355922), (18, 1177961), (47, 451134), (71, 298638), (94, 225567), (141, 150378), (142, 149319), (213, 99546), (282, 75189), (353, 60066), (423, 50126), (426, 49773), (639, 33182), (706, 30033), (846, 25063), (1059, 20022), (1278, 16591), (2118, 10011), (3177, 6674), (3337, 6354)]