21606172

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3917}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 43442784

約数和(自身を除く): 21836612

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3917, 5516, 7834, 15668, 27419, 54838, 109676, 771649, 1543298, 3086596, 5401543, 10803086, 21606172]

約数ペア:

[(1, 21606172), (2, 10803086), (4, 5401543), (7, 3086596), (14, 1543298), (28, 771649), (197, 109676), (394, 54838), (788, 27419), (1379, 15668), (2758, 7834), (3917, 5516)]