21055100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19141}}^1$

素因数の和:19166

約数の個数: 36

約数和(自身を含む): 49845768

約数和(自身を除く): 28790668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19141, 38282, 76564, 95705, 191410, 210551, 382820, 421102, 478525, 842204, 957050, 1052755, 1914100, 2105510, 4211020, 5263775, 10527550, 21055100]

約数ペア:

[(1, 21055100), (2, 10527550), (4, 5263775), (5, 4211020), (10, 2105510), (11, 1914100), (20, 1052755), (22, 957050), (25, 842204), (44, 478525), (50, 421102), (55, 382820), (100, 210551), (110, 191410), (220, 95705), (275, 76564), (550, 38282), (1100, 19141)]