21081612

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{56671}}^1$

素因数の和:56709

約数の個数: 24

約数和(自身を含む): 50778112

約数和(自身を除く): 29696500

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 56671, 113342, 170013, 226684, 340026, 680052, 1756801, 3513602, 5270403, 7027204, 10540806, 21081612]

約数ペア:

[(1, 21081612), (2, 10540806), (3, 7027204), (4, 5270403), (6, 3513602), (12, 1756801), (31, 680052), (62, 340026), (93, 226684), (124, 170013), (186, 113342), (372, 56671)]