21982204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 40809888

約数和(自身を除く): 18827684

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3917, 5612, 7834, 15668, 90091, 180182, 238937, 360364, 477874, 955748, 5495551, 10991102, 21982204]

約数ペア:

[(1, 21982204), (2, 10991102), (4, 5495551), (23, 955748), (46, 477874), (61, 360364), (92, 238937), (122, 180182), (244, 90091), (1403, 15668), (2806, 7834), (3917, 5612)]