21492350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1745

約数の個数: 48

約数和(自身を含む): 45532800

約数和(自身を除く): 24040450

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1699, 2530, 3398, 6325, 8495, 12650, 16990, 18689, 37378, 39077, 42475, 78154, 84950, 93445, 186890, 195385, 390770, 429847, 467225, 859694, 934450, 976925, 1953850, 2149235, 4298470, 10746175, 21492350]

約数ペア:

[(1, 21492350), (2, 10746175), (5, 4298470), (10, 2149235), (11, 1953850), (22, 976925), (23, 934450), (25, 859694), (46, 467225), (50, 429847), (55, 390770), (110, 195385), (115, 186890), (230, 93445), (253, 84950), (275, 78154), (506, 42475), (550, 39077), (575, 37378), (1150, 18689), (1265, 16990), (1699, 12650), (2530, 8495), (3398, 6325)]