21241352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{859}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 43653600

約数和(自身を除く): 22412248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 859, 1124, 1718, 2248, 3091, 3436, 6182, 6872, 9449, 12364, 18898, 24728, 37796, 75592, 241379, 482758, 965516, 1931032, 2655169, 5310338, 10620676, 21241352]

約数ペア:

[(1, 21241352), (2, 10620676), (4, 5310338), (8, 2655169), (11, 1931032), (22, 965516), (44, 482758), (88, 241379), (281, 75592), (562, 37796), (859, 24728), (1124, 18898), (1718, 12364), (2248, 9449), (3091, 6872), (3436, 6182)]