21137532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135497}}^1$

素因数の和:135517

約数の個数: 24

約数和(自身を含む): 53115216

約数和(自身を除く): 31977684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135497, 270994, 406491, 541988, 812982, 1625964, 1761461, 3522922, 5284383, 7045844, 10568766, 21137532]

約数ペア:

[(1, 21137532), (2, 10568766), (3, 7045844), (4, 5284383), (6, 3522922), (12, 1761461), (13, 1625964), (26, 812982), (39, 541988), (52, 406491), (78, 270994), (156, 135497)]