21000657700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19091507}}^1$

素因数の和:19091532

約数の個数: 36

約数和(自身を含む): 49714286832

約数和(自身を除く): 28713629132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19091507, 38183014, 76366028, 95457535, 190915070, 210006577, 381830140, 420013154, 477287675, 840026308, 954575350, 1050032885, 1909150700, 2100065770, 4200131540, 5250164425, 10500328850, 21000657700]

約数ペア:

[(1, 21000657700), (2, 10500328850), (4, 5250164425), (5, 4200131540), (10, 2100065770), (11, 1909150700), (20, 1050032885), (22, 954575350), (25, 840026308), (44, 477287675), (50, 420013154), (55, 381830140), (100, 210006577), (110, 190915070), (220, 95457535), (275, 76366028), (550, 38183014), (1100, 19091507)]