21442520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48733}}^1$

素因数の和:48755

約数の個数: 32

約数和(自身を含む): 52632720

約数和(自身を除く): 31190200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48733, 97466, 194932, 243665, 389864, 487330, 536063, 974660, 1072126, 1949320, 2144252, 2680315, 4288504, 5360630, 10721260, 21442520]

約数ペア:

[(1, 21442520), (2, 10721260), (4, 5360630), (5, 4288504), (8, 2680315), (10, 2144252), (11, 1949320), (20, 1072126), (22, 974660), (40, 536063), (44, 487330), (55, 389864), (88, 243665), (110, 194932), (220, 97466), (440, 48733)]