21441273

素因数分解:

$3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 33945600

約数和(自身を除く): 12504327

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 311, 343, 469, 933, 1029, 1407, 2177, 3283, 6531, 9849, 15239, 20837, 22981, 45717, 62511, 68943, 106673, 145859, 320019, 437577, 1021013, 3063039, 7147091, 21441273]

約数ペア:

[(1, 21441273), (3, 7147091), (7, 3063039), (21, 1021013), (49, 437577), (67, 320019), (147, 145859), (201, 106673), (311, 68943), (343, 62511), (469, 45717), (933, 22981), (1029, 20837), (1407, 15239), (2177, 9849), (3283, 6531)]