21558350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 46068480

約数和(自身を除く): 24510130

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2063, 2090, 4126, 5225, 10315, 10450, 20630, 22693, 39197, 45386, 51575, 78394, 103150, 113465, 195985, 226930, 391970, 431167, 567325, 862334, 979925, 1134650, 1959850, 2155835, 4311670, 10779175, 21558350]

約数ペア:

[(1, 21558350), (2, 10779175), (5, 4311670), (10, 2155835), (11, 1959850), (19, 1134650), (22, 979925), (25, 862334), (38, 567325), (50, 431167), (55, 391970), (95, 226930), (110, 195985), (190, 113465), (209, 103150), (275, 78394), (418, 51575), (475, 45386), (550, 39197), (950, 22693), (1045, 20630), (2063, 10450), (2090, 10315), (4126, 5225)]