21838290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5237}}^1$

素因数の和:5386

約数の個数: 32

約数和(自身を含む): 52799040

約数和(自身を除く): 30960750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5237, 10474, 15711, 26185, 31422, 52370, 78555, 157110, 727943, 1455886, 2183829, 3639715, 4367658, 7279430, 10919145, 21838290]

約数ペア:

[(1, 21838290), (2, 10919145), (3, 7279430), (5, 4367658), (6, 3639715), (10, 2183829), (15, 1455886), (30, 727943), (139, 157110), (278, 78555), (417, 52370), (695, 31422), (834, 26185), (1390, 15711), (2085, 10474), (4170, 5237)]