21295078

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 38062080

約数和(自身を除く): 16767002

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 353, 434, 706, 973, 1946, 2471, 4309, 4942, 8618, 10943, 21886, 30163, 49067, 60326, 76601, 98134, 153202, 343469, 686938, 1521077, 3042154, 10647539, 21295078]

約数ペア:

[(1, 21295078), (2, 10647539), (7, 3042154), (14, 1521077), (31, 686938), (62, 343469), (139, 153202), (217, 98134), (278, 76601), (353, 60326), (434, 49067), (706, 30163), (973, 21886), (1946, 10943), (2471, 8618), (4309, 4942)]