21605082212

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1370533}}^1$

素因数の和:1371107

約数の個数: 24

約数和(自身を含む): 43286945856

約数和(自身を除く): 21681863644

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 2252, 3941, 7882, 15764, 1370533, 2741066, 5482132, 9593731, 19187462, 38374924, 771610079, 1543220158, 3086440316, 5401270553, 10802541106, 21605082212]

約数ペア:

[(1, 21605082212), (2, 10802541106), (4, 5401270553), (7, 3086440316), (14, 1543220158), (28, 771610079), (563, 38374924), (1126, 19187462), (2252, 9593731), (3941, 5482132), (7882, 2741066), (15764, 1370533)]