21953492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3061}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 42182112

約数和(自身を除く): 20228620

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3061, 3586, 6122, 7172, 12244, 33671, 67342, 134684, 498943, 997886, 1995772, 5488373, 10976746, 21953492]

約数ペア:

[(1, 21953492), (2, 10976746), (4, 5488373), (11, 1995772), (22, 997886), (44, 498943), (163, 134684), (326, 67342), (652, 33671), (1793, 12244), (3061, 7172), (3586, 6122)]