21470350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 44104320

約数和(自身を除く): 22633970

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 103, 110, 206, 275, 379, 515, 550, 758, 1030, 1133, 1895, 2266, 2575, 3790, 4169, 5150, 5665, 8338, 9475, 11330, 18950, 20845, 28325, 39037, 41690, 56650, 78074, 104225, 195185, 208450, 390370, 429407, 858814, 975925, 1951850, 2147035, 4294070, 10735175, 21470350]

約数ペア:

[(1, 21470350), (2, 10735175), (5, 4294070), (10, 2147035), (11, 1951850), (22, 975925), (25, 858814), (50, 429407), (55, 390370), (103, 208450), (110, 195185), (206, 104225), (275, 78074), (379, 56650), (515, 41690), (550, 39037), (758, 28325), (1030, 20845), (1133, 18950), (1895, 11330), (2266, 9475), (2575, 8338), (3790, 5665), (4169, 5150)]